Question

Mariah earns $32.75 per week working as a pet sitter. She worked as a pet sitter for 2 weeks. She previously saved $70.99 in allowance money. She spent $12.25 of her total earning to buy video games. Mariah put 1 over 4 of the remaining money in her savings account. Mariah used the following steps to find the total money she put in her savings account:
n which step did Mariah first make an error? Explain, using words, how Mariah can correct her error.

Answer 1

I think it is in step 2 because she add $70.99..am just checking if am on the right track

Answer 2

I would say Step 3...... the equation is in Brackets but there is a parenthesis in the brackets so we do 65.5 + 70.99 which equals 136.49 now we need to subtract that total with 12.25.....in Step 3 it didnt do that....instead it divided 12.25 with 1/4 which is incorrect and does not follow BPEMDAS

Answer 3

got it. didn't look at it like that. thanks

Answer 4

np xD if ya need help in the future just tag me

Answer 5

before you go

Answer 6

Rusty's hair grows at the rate of 1 over 4 inch per month.

How many months will it take Rusty's hair to grow 5 over 8 inch?

Explain your answer using expressions and words.

Answer 7

3/8 + 2/8 = 5/8 this is how i did it

Answer 8

\[\frac{ 1 }{ 4 }=\frac{ 2 }{ 8 }\]
but the problem says per month so there is no addition in the problem....so we would have to divide\[\frac{ 5 }{ 8 }\div \frac{ 2 }{ 8 }\] it would be best if you turned these fractions into a decimal

Answer 9

ok

Answer 10

We divide because we want to know the PER MONTH total so the equation would be TOTAL/AMOUNT=PER MONTH

Answer 11

0.039

Answer 12

\[\frac{ 5 }{ 8 }=.625,\frac{ 2 }{ 8 }=.25\]
\[.625\div.25=2.5\]

Answer 13

always best to work with decimal in cases like these?

Answer 14

when you divide fractions its best

Answer 15

I would take 2.5 months

Answer 16

Yup

Answer 17

Almost 9 over 11 of the total electricity supplied to a town is used in farms and houses. Use long division to determine the decimal equivalent of 9 over 11.

Use words to explain if the decimal terminates or repeats.

Answer 18

last one

Answer 19

Dividing 9/11 would equal 0.8181 and it will repeat, this would labeled as an rational number .

Answer 20

This is what i did

Answer 21

That looks right to me xD

Answer 22

Thanks a lot for your patient and help

Answer 23

np xD