Last week, chen bought 8 1/2 gallons of gas at $2.30 per gallon. this week, he bought 4 3/10 gallons of gas at $2.70 per gallon. what was his total cost? enter your answer in the box.

20 points for the answer. this is for real , don't put random ! a rectangle has a length of 4 centimeters and a width of 7 centimeters. what is the effect on the perimeter when the dimensions are multiplied by 5? the perimeter is increased by a factor of 5. the perimeter is increased by a factor of 20. the perimeter is increased by a factor of 25. the perimeter is increased by a factor of 100.