I think the first one is correct. Since “three less than z squared” insinuate that the value is 3 units less than the value z^2
Step-by-step explanation:
hope it helps you!!!!!!!!
It will take 3 men 20 days to complete the job.
Answer:
y= 1 1/2
Step-by-step explanation:
Lets Sean's age be x
Helen's age by y
x/y=3/5
x=3/5y
Second equation
2(x-2)=y-2
on solving u get Helen as 10 and Sean as 6
