what is 320-20%

Question

Quincy is using 320 pieces of stone tile to make a red white and blue mosaic. If 20% of the pieces are blue and 35% are white, how pieces are red?

Answer 1

hav 320 thangs

20%=blue, 35%=with, rest=red

20% av 320=0.2*320=64

35%av 320=.35*320=112

112+64=176

red thangs...320-176=144