10% of 65
Of means multiply
=0.1 x 65
=6.5
Or you can use another way which is (part/whole) *(percent/100)
Whole=65
Percent=10
And part(part of 65)=unknown
(X/65)* (10/100)
Cross multiply
x= 6.5
So 10% of 65 is 6.5
Answer:
No sir
Step-by-step explanation:
when you see Parentheses beside a number it means your mutiplying
your answer would be: 20c + 12
Answer:
Improper Faction: 26/3
Mixed Number: 8 2/3
Step-by-step explanation:
Look at 9 1/3.
How many 3s are in 9?
3 * 9 = 27
Add the remaining number from the numerator.
27 + 1 = 28
The equation is now 28/3 - 2/3.
Subtract normally to get 26/3.
Depending on what your teacher wants, you either keep it as a improper fraction or turn it into a mixed number.
The mixed number being this: 8 2/3.
Answer:
22.5
Step-by-step explanation:
0.80x=10 divide each side by 0.80
x=12.5 ml-----------------amount of pure acid needed
CK
12.5+10=0.20(100+12.5)=0.20(112.5)
22.5=22.5
Hope this helps