Solving Proportions

Last month, Mark drove 94 miles to and from work. This month, because of bad weather, he only drove 34 miles. What is the percent decrease in the number of miles he drove?Round your answer to the nearest whole number. 64% 157% 36% 276% Directions: Type your answer in the blank.After riding the stationary bike for just 8 minutes, Betty had burned 50 calories. How long must she ride if she wants to burn 325 calories? 52 minutes An apple tree grew from 12 feet to 23 feet. What is the percent change in it's height?Round your answer to the nearest whole number. 48% decrease 92% decrease 48% increase 92% increase Directions: Type your answer in the space. Include units.Kelly received a 25% discount on the purchase of a $240 bicycle. How much money did Kelly save? What is the total cost after a 6.25% tax on an item that costs $199.99 originally? $187.49 $12.50 $212.49 $206.24 Directions: Draw or type your answer in the space below.What is 80% of 24? Your bill for dinner at Olive Garden comes to $45.93. You decide to leave your waitress a 20% tip. How much should you leave for the tip? $36.74 $55.12 $5.93 $9.19 Directions: Type your answer in the blank. Round your answer to the nearest hundredth.A pair of pants usually sells for $44.99. What is the sale price of the pants after they are marked down 30%? $31.49 40 is 15% of what number?Round your answer to the nearest whole number. 38 267 2 1 Directions: Type your answer in the space below. Include units.A shoe store buys a pair of shoes for $16.00 and then sells it at after a 125% markup. What is the new selling price?