Respuesta :

toltecavsmaya
to find 70% percent of a number, multiply the number by 0.7. in this instance , 0.7 x 15= 10.5 .therefore, 70 percent of 15 is equal to 10.5 
starrynightsky
you need to multiply 15 and 100 to get 1500, then divided by 70 to get an answer of 21...