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Mathematics 18 Online
OpenStudy (anonymous):

Which numbers are necessary to solve this problem? A fence company has been in business for 18 months. It makes 450 white posts and 200 beige posts a day. How many posts will the company make in 4 days? A. 450 white posts, 200 beige posts B. 450 white posts, 200 beige posts, 4 days C. 18 months, 450 white posts, 200 beige posts D. 18 months, 450 white posts, 200 beige posts, 4 days

OpenStudy (anonymous):

it D

OpenStudy (campbell_st):

the length of time the company has been in business is irrelevant. you need the daily production and the number of days

OpenStudy (anonymous):

Which information is not necessary to solve this problem? A store sold 150 crates of cereal. It takes 50 boxes to fill a crate. Each box contains 22 ounces of bran flakes. The store sold each box for $4. How much money did the store make selling cereal? A. There are 22 ounces of bran flakes in each box. B. The store sold 150 crates of cereal. C. Each crate has 50 boxes of cereal. D. The store made $4 on each box of cereal.

OpenStudy (anonymous):

its C for sure

OpenStudy (anonymous):

Which set of steps could be used to solve this story problem? A garden has 7 rows of plants. The first 5 rows are vegetables. The last two rows are flowers. Each row of vegetables has 3 yellow squash plants and 4 green squash plants. How many squash plants are in the garden? A. Multiply 7 times 3. Multiply 7 times 4. Add the two products. B. Multiply 5 times 3. Multiply 5 times 4. Add the two products. C. Add 7 and 5. Multiply by 3. Add the product to 4. D. Add 3 and 4. Multiply by 5. Add the product to 7.

OpenStudy (campbell_st):

in the cereal question, you only need how many boxes in a crates, how many crates and cost per box.

OpenStudy (anonymous):

i think its C

OpenStudy (anonymous):

Which estimate is the most reasonable for this problem? Bryson is on a flight that is 9,162 kilometers long. The airplane has flown 969 kilometers. How much farther does the airplane need to fly? A. 7,000 km B. 8,000 km C. 9,000 km D. 10,000 km

OpenStudy (anonymous):

B

OpenStudy (anonymous):

Which explanation best describes how to solve this problem? Tanya used 170 gold stars and 140 silver stars to decorate 10 cards. She put the same number of stars on each card. How many stars did Tanya put on each card? A. Add 170 and 140 together and subtract 10. B. Add 170 and 140 together and divide by 10. C. Divide 170 by 10 and add 140. D. Divide 140 by 10 and add 170.

OpenStudy (anonymous):

what do u think this one is?

OpenStudy (anonymous):

i think its B also dont listen to those people on the chat their stupid

OpenStudy (anonymous):

they mad me cry i was saying that i was not fake that me

OpenStudy (anonymous):

well they need to get a life because they dont know what a life is

OpenStudy (anonymous):

i know and thx

OpenStudy (anonymous):

your welcome

OpenStudy (anonymous):

i have 3 more can u help me

OpenStudy (anonymous):

okay!!!!! :)

OpenStudy (anonymous):

Which strategy would not correctly solve this story problem? It took Dennis twice as long to walk to the park as it did to walk to the store. He walked to the store in 15 minutes. He spent 5 more minutes walking to the library than to the store. How much time did Dennis spend walking? A. Work backward. Start with 5 minutes and add it to 15. Then add 15 more minutes to the sum to find the total time Dennis walked. B. Use logical reasoning. Dennis walked for 2 periods of 15 minutes, another period of 15 minutes, and 1 more period of 15 minutes plus 5 more minutes. So Dennis walked for 4 × 15 minutes plus 5 more minutes. C. Translate into an equation. 2 × 15 + 15 + 5 + 15 = m D. Draw a diagram. Draw 2 lines and write 15 min above each line. Draw another line and write 15 min above it. Draw another line and write 15 + 5 above it. Add up all the amounts above the lines to find the total time Dennis walked.

OpenStudy (anonymous):

i think its A or B

OpenStudy (anonymous):

now i think its A

OpenStudy (anonymous):

OpenStudy (anonymous):

i think its one

OpenStudy (anonymous):

hold brb

OpenStudy (anonymous):

kk

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