In a storeroom, there are 30 blue balls, 48 green balls, some red balls Ind some white balls. There are 3 times as many green balls as red balls and 5 times as many blue balls as white balls.

(a) How many balls are there altogether?

(b) How many balls are left in the room if 7/10 of the balls are taken away?

JCase8904 Aug 4, 2023