Answer:
He must study for at least 7.5 hours each week
Step-by-step explanation:
Here, we want to know the number of hours that Mr Smith must study each week
From the question, we are told that he must study a minimum of 60 hours total over the course of the 8 weeks
The number of hours he must study each week will be 60/8 = 7.5 minimum number of hours each week
7.5
Answer: 40x+18
4
Hi
the answer is :
with phithaghoreth law you can find the base of the two triangles
and then you sum
if you need more explanation tell me