Percent and Proportionality

A percent is a ______ of proportionality describing the ______ of the ______.

• constant, part, whole

• variable, whole, part

• ratio, part, whole

• constant, whole, part

Sewing patterns recommend buying extra fabric in case of mistakes. Jessica bought 5 yards of fabric, plus 20% extra fabric. Derek bought 3 yards of fabric, plus 25% extra. Who bought more fabric? How much more?

• Jessica; 1 yard

• Derek; 1 yard

• Jessica; 2 1/4 yards

• Derek; 2 1/4 yards

Lou and Jacob each sold 200 pieces of jewelry. If 20% of Lou’s sales were rings, and Jacob sold 35 rings, who sold more rings? How many more?

• Lou; 5 rings

• Jacob; 5 rings

• Lou; 10 rings

• Jacob; 10 rings

Elsie bought a video game for $85.00. If the store charges 170% of what it paid for the game, how much is the store’s profit?

• $25

• $35

• $45

• $55

What is the percent that represents the situation. Katrina made 4 of her last 5 shots. ______

• 80%

• 60%

• 70%

• 90%

Miguel runs faster than his 19 teammates. What percent of the team is slower than Miguel? ______

• 95%

• 90%

• 85%

• 80%

Fifty of 150 students wear school spirit T-shirts. ______

• 33 1/3%

• 25%

• 50%

• 40%

Micah saved $6 on a $40 pair of pants. ______

• 15%

• 10%

• 20%

• 12%