Pedro bought lb of red sand and lb of brown sand to refill his sand box. both types of sand cost $4.60 a pound. how much did pedro spend on the sand? a. $29.85 b. $31.05 c. $33.05 d. $33.75

idk

step-by-step explanation:

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.