35% of 20 would be 7
You can get 10% by dividing the number by 10.
As 10% is 2 multiplied by 3 is 6
5% is half of the 10% we have already found.
6 plus the 5% which is 1 equals 7
20 divided by .35 is 7.
When you want to divide by decimals you can turn them into whole numbers by multiplying as long as you divide them at the end.
0.35 x 100 equals 35
so if you were to do 20 x 35 which equals to 700 and divide it by 100, since we multiplied by 100, you would get an answer of 7.
Answer:
6
Step-by-step explanation:
the first thing I did to smome but you know 5AM was a l
Answer:
Step-by-step explanation:
Let q represent the number of quarters. Then Tony's coin value is ...
0.25q +0.10(25 -q) = 4.00
0.15q +2.50 = 4.00 . . . . . . . . eliminate parentheses, collect terms
0.15q = 1.50 . . . . . . . . . . . . . . subtract 2.50
q = 10 . . . . . . . . . . . . . . . . . . . . divide by the coefficient of q
Then the number of dimes is ...
25 -10 = 15
Tony has 15 dimes and 10 quarters.
