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Mathematics 22 Online
OpenStudy (anonymous):

HELP IN 6th grade Translate the phrase into a math expression. the quotient of twenty divided by four more than one A. (20 ÷ 4) + 1 B. 1 + (4 ÷ 20) C. (1 + 4) ÷ 20 D. 20 ÷ (1 + 4)

OpenStudy (anonymous):

Help please

OpenStudy (ranga):

"twenty divided by four more than one" is 20 divided by (1 + 4). Which one of the choices looks like: 20 divided by (1 + 4)?

OpenStudy (anonymous):

so it is D

OpenStudy (ranga):

Yes. "four more than one" translates to (1 + 4). "twenty divided by four more than one" translates to 20 / (1 + 4)

OpenStudy (anonymous):

Ok quotient means division So, The quotient of twenty divided by four more than one twenty = 20 (divided by) = ÷ four = 4 more than = + one =1 so you put then back in order as the question asks.. =D

OpenStudy (anonymous):

ok can you help me with more

OpenStudy (ranga):

Let us try a couple more questions.

OpenStudy (anonymous):

thanks

OpenStudy (anonymous):

Translate the phrase into a math expression. 15 divided by a number, then decreased by 2 A. (15 ÷ n) + 2 B. (15 ÷ n) – 2 C. 15 ÷ (n – 2) D. 15 ÷ (n + 2)

OpenStudy (ranga):

Which one do you think it is?

OpenStudy (anonymous):

i think it is B i am i right

OpenStudy (ranga):

Yes.

OpenStudy (anonymous):

You are right!.. =D

OpenStudy (anonymous):

yay i have 3 more questions can you help

OpenStudy (anonymous):

Which math expression represents the phrase? 4 times the sum of a number and 9 A. 4 · n + 9 B. 4 · (n · 9) C. 4 + (n + 9) D. 4 · (n + 9)

OpenStudy (ranga):

Go ahead. Post the questions and also indicate what you think the answer is.

OpenStudy (anonymous):

i think it is D am i right

OpenStudy (ranga):

Yes.

OpenStudy (anonymous):

here is the other

OpenStudy (anonymous):

Pizzas for a party cost $48 plus a tip of $8 for the delivery person. Seven people split the bill equally. Which expression shows how much each person paid? A. 48 ÷ (8 + 7) B. 8 ÷ (48 + 7) C. (48 + 8) ÷ 7 D. 7 ÷ (48 + 8)

OpenStudy (anonymous):

Key words here are cost, tips, and split by seven

OpenStudy (ranga):

what do you think is the answer?

OpenStudy (anonymous):

i think it is A am i right?

OpenStudy (anonymous):

i am i right?

OpenStudy (ranga):

No. You have to find the total cost and then split it seven ways. The total cost = cost of pizza + tip for the delivery person = ($48 + $8) Which now has to be divided amongst 7 people. So (48 + 8) / 7

OpenStudy (anonymous):

so it is D

OpenStudy (ranga):

No. C.

OpenStudy (anonymous):

No, you are on the right route.

OpenStudy (anonymous):

Yes, it's C

OpenStudy (anonymous):

here is my last question

OpenStudy (anonymous):

A construction company loads bricks weighing 12 pounds each on a pallet weighing 6 pounds. Which expression gives the weight of a pallet containing n bricks? A. 12 + (n + 6) B. 12(n + 6) C. 12n + 6 D. 18n

OpenStudy (anonymous):

i think it is A am i right?

OpenStudy (ranga):

Each brick weighs 12 pounds. Therefore, n bricks will weigh 12 * n = 12n pounds. The pallet weighs 6 pounds. So the total weight = 12n + 6

OpenStudy (anonymous):

thanks thats it

OpenStudy (ranga):

you are welcome.

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