Answer: 9/2, 4.5
Step-by-step explanation:
Number of apples=12 times numer of bags=12n
neeeds at least 75 apples (1 per student)
12n≥75
divide both sides by 12
n≥6.25
can't buy 0.25 of a bag
7
needs to buy 7 bags
Answer:
2 1/2 miles per hour
Step-by-step explanation:
To find the rate, take the distance and divide by the time
5/8 miles÷ 1/4 hour
Copy dot flip
5/8 * 4/1
5/2 miles per hour
2 1/2 miles per hour
Answer:
The Escobar family's sprinkler was was used for 14 hours and the Johnson's for 18 hours.
Step-by-step explanation:
I am going to solve this question by a system of equations.
We have that:
x is the number of hours that the Escobar's sprinkler was used.
y is the number of hours that the Johnsons' sprinkler was used.
The families used their sprinklers for a combined total of 32 hours
This means that
Total water output of 1320 gallons.
Escobar 30 gallons a hour, Johnson 50. So
From the first equation
The Escobar family's sprinkler was was used for 14 hours and the Johnson's for 18 hours.