plumber has a copper pipe 7 6/5m long. he also has steel pipe 4 3/9 m long. how much longer copper pipe and steel pipes
Answers
Answered by
2
substrate the length of steel pipe from the copper pipe and you will get the answer.
The answer will be 10 19/45
Answered by
3
Answer:
12 8/15
Step-by-step explanation:
7 6/5 + 4 3/9
= (7 + 4) + (6/5 + 3/9)
= 11 + 6 × 9 / 5 × 9 + 3 × 5 / 9 × 5
= 11 + 54 / 45 + 15/45
=11 + 54 + 15 / 45
= 11 + 69 / 45
= 11 + 69 ÷ 3 / 45 ÷ 3
= 11 + 23 / 15
= 11 + 1 8 / 15
= 12 8/15
Similar questions