. Karen spends $525 on monthly bills. Of this total amount, 2/7 is for phone service, 3/10
is for Internet service,
and 2/9
is for utilities. If the rest of the total amount is for food, how much does Karen have for food?

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.