Question

Reena had Rs.200 in her bank account at the start of the summer. For the next eight weeks she
accumulated Rs.80 per week in savings. After the summer was over, she went back to school and
spent Rs.40 per week on lunch. How many weeks will it take to use the entire amount?

answer properly pls

Answer 1

Answer:

She will have 21 weeks to spend the whole amount.

200 + 80*8

=840

then 840/40 = 21

Step-by-step explanation:

Answer 2

Reena take 21 weeks to use the entire amount.

THE UNITARY METHOD

The unitary method is used to find the value of a single unit from a given multiple.

Money saved in eight weeks = $8$ × $80$ = RS $640$

Total money acquired at the end of summer = 200 + 640 = RS 840

She spent Rs.40 per week on lunch

Weeks will it take to use the entire amount =   $\frac{840}{40}$  = $21$ Weeks

Learn more about unitary method here,

https://brainly.in/question/861603?msp_poc_exp=1&source=archive

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