To build a school;
20 workers -> 18 days.
So 1 worker -> 18/20 days.
So; 12 workers -> (12×18)/20 days.
-> (12×9)/10 days
->10.8 days.
so 10.8 days is your answer.
Hope it helps...
Regards;
Leukonov/Olegion
Answer:
$8 per hour
Step-by-step explanation:
The unit rate is $ per hour
Divide the amount by 8
= 8.5 hours
$68 ÷ 8.5 = $8 per hour
Step-by-step explanation:

X=t-yz and we are asked to solve for y so, subtract t from both sides
x-t=-yz divide both sides by -z
(x-t)/(-z)=y
y=(x-t)/(-z) multiply the numerator and denominator by -1
y=(t-x)/z
Answer:
356
Step-by-step explanation: