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What will we do today?
Solve ratio word problems
1
Verbal problems involving ratio
Any pair of numbers in the ratio of 3:5 can be found by multiplying 3 and 5 by the same non­zero number.
3(3) = 9
9:15 = 3:5 3(5) = 15
3x:5x = 3:5
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The perimeter of a triangle is 60 feet. If the sides are in the ratio of 3:4:5, find the length of each side of the triangle.
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Two numbers have the ratio of 2:3. The larger is 30 more than 1/2 of the smaller. Find the numbers.
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1. Two numbers are in the ratio 4:3. Their sum is 70. Find the numbers.
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5. A piece of wire 32 centimeters in length is divided into parts that are in the ratio 3:5. Find the length of each part.
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9. The perimeter of a rectangle is 360 centimeters. If the ratio of the length to its width is 11:4, find the dimensions of the rectangle.
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17. Two numbers are in the ratio 3:7. The larger exceeds the smaller by 12. Find the numbers. 8
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