Question

25 Nov 12

?

1st Number 2nd Number
2019
Tommy has a ball of string.
He cuts off four equal pieces of string.
Each piece is 7 cm.
There is 8 cm of string left. What was the total length of the ball of string?
Whitney is thinking of two numbers.
The sum of the two numbers is 78 The smaller number is 31
What is the difference between the two numbers?

Answer 1

Explanation:

for the first problem

7*4=28+8=36

for the second one

78-31=47

47-31=16