if 3 out of every 7 student are boys , write equivanent fractions that can be used to determine how many out of 84 are boys. use a variable to represent the number of boys help me please i need it for tomarrow
3/7 = x/84
Solve for x
One way to solve that is to multiply both sides by 84.
Note that 1/7 of 84 is 12.