Answer:
x = 3
Step-by-step explanation:
5(x+1) = 20
x+1 = 20/5
or, x+1 = 4
or, x = 4-1
so, x = 3
Answer:
3
Step-by-step explanation:
68/4 to get how many miles per gallon
17
51/17 to see how many gallons of gas
3 gallons of gas
to be exact 1:05 p.m is the next time it will happen
Answer: 
Step-by-step explanation:
Find the least common multiple (LCM) of the denominators. This is:

Divide the LCM by each denominator and multiply the result by each numerator, then you obtain:

Apply the distributive property, then you obtain:

Add like terms, then you obtain:
