Answer:
Solutions to the equation are 
which agrees with the last option listed among the possible answers
Step-by-step explanation:
We solve this quadratic equation via the quadratic formula:
Amy can wash 75 cars in 12 hours, Roger can wash 64 cars in 12 hours.
so therefore 75+64 =139
together they can wash 139 cars in 12 hours
Answer:
x= -5
Step-by-step explanation:
(3x-4) (x+5).=0
=3x-4x+5=0.
x=-5
She would need to ride her bike more than 10.33 miles per day: x > 10.33
She has 62 miles left to ride for the week. To find the average per day, we just need to divide that amount by 6.
Dividing will give us 10 and one-third, or about 10.33.
