The cost of 14 gallons of gas is $19.46. how much gas could you buy with $8.70?

How do i do this activity, is appreciated

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.

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air