The answer is D.64
Explain i have the test myself
Answer:
b
Step-by-step explanation:
because it is
7 : 21
which can be simplified to 1 : 3 as both sides are divisible by 7
Answer:
x+2/5x
Step-by-step explanation:
x%of 40 is 2/5x
...40 increased by x% of it self = x+2/5x