If c = ₹ 50, find the total amount earned by the sale of pencils. Class 7
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Expert Answer
If c = ₹ 50, find the total amount earned by the sale of pencils. Class 7
Question 1.
If c = ₹ 50, find the total amount earned by the sale of pencils. Class 7
Solution:
Total amount = 18 c
= 18 × ₹ 50
= ₹ 900
Question 2.
Write the expression for the total money earned by selling erasers. Then, simplify the expression. Class 7
Solution:
Expression for the total money earned by selling erasers is 4 × d + 6 × d + 1 × d.
It is equal to (4 + 6 + 1) d = 11 d.
Question 3.
Can the expression 18c + lid be simplified further? Class 7
Solution:
No.
Question 4.
Check that both expressions take the same value when c is replaced by different numbers. Class 7
Solution:
Do as directed.