# Write About it Shashi used addition to solve a word problem about the weekly cost of commuting by toll tax for ₹15 each day. Ravi solved the same problem by multiplying. They both got the correct answer. How is this possible

**Solution:**

Given, cost of commuting by toll tax per day = ₹15

Shashi used __addition__ to solve the word problem.

Ravi solved the same problem by multiplying.

They both got the correct answer.

We have to solve a word problem about the weekly cost of commuting by toll tax.

Considering Shashi,

Given, Shashi used addition

We know, 1 week = 7 days

Weekly cost = 15 + 15 + 15 + 15 + 15 + 15 + 15

= ₹105

Considering Ravi,

Given, Ravi used multiplication

1 week = 7 days

So, weekly cost = cost of one day × 7

= 15 × 7

= ₹105

Therefore, the total weekly cost is ₹105.

**✦**** Try This: **Write About it Suhas used addition to solve a word problem about the weekly cost of commuting by toll tax for ₹30 each day. Rajath solved the same problem by multiplying. They both got the correct answer. How is this possible

**☛ Also Check: **NCERT Solutions for Class 7 Maths Chapter 12

**NCERT Exemplar Class 7 Maths Chapter 10 Problem 95 (iii)**

## Write About it Shashi used addition to solve a word problem about the weekly cost of commuting by toll tax for ₹15 each day. Ravi solved the same problem by multiplying. They both got the correct answer. How is this possible

**Summary:**

Shashi used addition to solve a word problem about the weekly cost of commuting by toll tax for ₹15 each day. Ravi solved the same problem by multiplying. They both got the correct answer. The total weekly cost is ₹105.

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