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6.3 C Proportion

Holt Benchmark Pre-Test

AB
Which pair of ratios forms a proportion?12/3 = 8/2
Which pair of ratios is not a proportion?12/3 = 9/4
Which equation could you solve to find the value of x in the proportion 5/6 = x/24?5 • 24 = 6x
Lucas is making a drawing of his school using the scale shown. Scale 1 in :20 ft The school is 480 feet long. How many inches long should Lucas make the school in his drawing?24
At a science museum, 1 out of every 18 visitors attends the planetarium show. The table shows the average number of visitors to the museum on the weekends. Saturday 4,014; Sunday 3,958. Which proportion can be used to find x, the number of visitors who can be expected to attend a planetarium show on a Saturday?1/18 = x/4,014
An object that weighs 5 pounds on Earth would weigh 2 pounds on Mars. How much would a 180-pound man weigh on Mars?72
Marcia hits the ball 3 out of every 10 times she is at bat. During practice she hit the ball 12 times. Which proportion can be used to find x, the expected number of times Marcia batted?3/10 = 12/x
Petra’s family drinks 3 gallons of milk every 4 days. In a month with 31 days, about how many gallons of milk will Petra’s family drink?23


SFA Middle school

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