Answer:
one half of two fifths of x would be equivalent to one fifth of x
Answer:
I have no idea
Step-by-step explanation:
Answer:
9
Step-by-step explanation:
Let's first convert this to numbers. When a number is decreased by a certain amount, that is the same as saying that something is subtracted from it. Therefore:
a-7=2
Add 7 to both sides:
a-7+7=2+7
a=9
Hope this helps!
Answer:
21.9
Step-by-step explanation:
circumference = pi x diameter
3.14 x 7 = 21.9