Given:
Last year 80 students signed up for a summer trip to Washington, D.C.
This summer 50 students have signed up to go.
To find:
The percent decrease in the number of students.
Solution:
We have,
Students in last year = 80
Students in this year = 50
Now,





Therefore, the correct option is B.
Answer:
157.5 miles with 6 gallons
Step-by-step explanation:
105miles / 4gallons = 26.25miles per gallon
26.25miles per gallon * 6miles = 157.5 miles
Answer:
add up the exponents on each prime number
Step-by-step explanation:
2^2= 2x2
3^2=3x3
so 36=2^2x3^2=2x2x3x3
Answer:
3
Step-by-step explanation:
if you plug in 3 for x, it becomes 2(3)-7=-1
then 6-7=-1
-1=-1