Forty students are in fun club. of those, 45% are girls. this percent increases to 56% after new girls join the club. how many new girls join? ~swaggyamerikanxo

45% of 40 is 0.45×40=18 girls

if x girls join then 56% of 40+x is 0.56(40+x)=18+x

22.4+0.56x=18+x

put together like terms

4.4=0.44x

x=10 girls joined

Step-by-step explanation:

idek

step-by-step explanation:

step-by-step explanation:

a child is 12 years old, and his father is 32 years older. in how many years will the age of the father be 2 times the age of the child?

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this needs to be the answer format, or else your answer is incomplete.

if the number of years is x, then the equation is

in __ years