math
posted by HELP HELP HELP MNHS .
one bag of rice weighs the same as 2 bags of salt or 3 bags of sugar. How many bags of rice are needed to balance 7 bags of salt and 10 bags of sugar?

needed to balance 7 bags of salt >> 1/2 * 7 = 3 1/2 bags
10 bags of sugar? >> 1/3 * 10 = 3 1/3 bags