Answer:
Step-by-step explanation:
How many questions is 90% of 20? That's the question we need to answer. Algebraically, the equation looks like this:
x = .90(20) so
x = 18
If she only answered 16 correctly, she did not get the A. She needed to answer 18 correctly, because 18 is 90% of 20.
Answer: False
Step-by-step explanation:
398 + 9 = 407
400 + 8 = 408
If the equation was 398 + 10 then yes it will be equal to 400 + 8
Answer:
They can make 25 cakes
Step-by-step explanation:
75/3=25
Answer:
as per the statement we form an algebraic equation as
3(x+4) = 20
3x + 12 = 20
3x = 8
x = 8/3
as per my understanding that's the answer