542 --> 500
328 --> 300
Estimate: 800
8 / 32 x 100 = 25%
answer: 25% students went on a trip
30/60 x 100 = 50%
answer: he spent 50% of his money
40 - 10 = 30 candies after gave away 10
10/40 x 100 = 25%
answer: 25% of candies she gave away
book 300 pages
she read 75 pages
75/300 x 100 = 25%
answer: she read 25% of the book
Answer:

Step-by-step explanation:
We first need to bring x up into the numerator. I will find common denominators by multiplying both sides by each denominator.

This will eliminate both denominators and leave me with
after I simplify the parenthesis.
Now I will solve the equation for x by subtracting 9x from both sides.

Then divide by the coefficient of x.


The answer is
C = 4 ÷ 1/5
Answer:
23.92
Step-by-step explanation:
You can round 2.99 to 3 and do 3x8 mentally then subtract 8 cents ¯\_(ツ)_/¯