Answer:
A
Step-by-step explanation:
Answer:
3(x+22y)
Step-by-step explanation:
Because three can be taken from both of them
Hello,
answer in the jointed picture
He did not apply distributive property correctly for 4(1 + 3i)
Instead of 3i, it should be 12i.
Step-by-step explanation:
Fraction of work done by Gardner in 1 hr = 1 / 5
Fraction of work done by Gardner and helper in 1 hr = 1 / 4
Fraction of work done by helper in 1 hr
= 1 / 4 - 1 / 5
= 1 / 20
<u>Time required by helper to complete work</u> :
= <u>20 hours</u>
