A bag contains only blue marbles and green marbles. The ratio of blue marbles to green marbles in the bag is 8 to 7; there are 165 marbles in the bag. How many more blue marbles than green marbles are in the bag? Loading... Page navigation ← Daily PWN 169 Daily PWN 171 →

(8+7)9= 13 5 no (8+7)10 = 150 no (8+7) x 11 = 165 yes 88 blue+77green=165 sum 88blue -77green =11 difference –more blue Log in to Reply

How about just adding 7+8=15 parts. 165 marbles divided by 15 parts = 11 marbles per part. 8 x 11 = 88 7 x 11 = 77 88-77=11. Log in to Reply

## Comments (2)

(8+7)9= 13 5 no

(8+7)10 = 150 no

(8+7) x 11 = 165 yes

88 blue+77green=165 sum

88blue -77green =11 difference –more blue

How about just adding 7+8=15 parts.

165 marbles divided by 15 parts = 11 marbles per part.

8 x 11 = 88

7 x 11 = 77

88-77=11.