There are boys and girls in a class. if the number of girls is multiplied by two and added to the number of boys in the class, t
he sum is 30. if the number of girls is multiplied by two and the number of boys in the class is subtracted from it, the result is 6. how many boys are in the class?
1 answer:
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Answer:
The unit rate is
Step-by-step explanation:
Given : Kenny reads page in
min.
To find : What is Kenny's unit rate?
Solution :
Kenny reads page in
minute
This can be written as,
Divide both side by
The unit rate is
Volume =
150 = x 3.14 x 10 x 10 x h
150 x 3 = 314 x h
h = 450/314
h = 1.43 inches