Justin wants to buy a new bike that costs $115. He has $40 and plans to
save $15 each week. What is the equation the represents this situation.

15x+40=115

15x means 15 per week solve for x if you want to know how many weeks 40 is what he has only once

v = 1/3 a^2h

step-by-step explanation:

the volume is 1/3 a^2h.

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.