Question

peter cuts a piece of string into three lengths one is 4.26cm long one is 7.54cm long and the third is 3.90cm long how long was the string before it was cut​

Answer 1

15.7 cm

Explanation:

The 3 lengths are of 3 strings that used to make up 1 string, so add all 3 lengths to find the length of the string before it was cut.

Answer 2

15.70cm

Explanation:

add to get total

4.26+7.54+3.90

Answer is 15.70cm