Answer:
it is 30.5
Step-by-step explanation:
(3X+4Y):2
(3×7+4×10):2
(21+40):2
61:2
30.5
Answer: a
Step-by-step explanation: edge 2020
It decreased by 25% every year.
if you multiply a number by a decimal you will get a smaller number than you originally had. for example, if you multiply 95 by .75 you will get 71.25 it is decreasing but only 25%
Answer:
C. 9
Step-by-step explanation:
Since the greatest factor that both fits in 81 and 36 is 9, the GCF is 9.
The grade of a road is the slope of a road. In the U.S., grade is often expressed as a percent by finding the product 100(slope). Approximate the grade of a road that has a rise of 950 ft over 3 mi is :
A. 3%