8.4 Using Systems.

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Presentation transcript:

8.4 Using Systems

The sum of 2 numbers is 115. The difference is 21. Find the numbers. Y= 47 #31

One is 5 times the other. Find the numbers. The sum of 2 numbers is 26.4. One is 5 times the other. Find the numbers. #32

The sum of the length and width of a rectangle is 19 inches The sum of the length and width of a rectangle is 19 inches. The length is one less than twice the width. #33

The perimeter of a rectangle is 48m The perimeter of a rectangle is 48m. The width is 2 more than half the length. #34

Taylor is five years older than his sister. = 5 + s Taylor is five years older than his sister. In four years he will be twice as old as her. How old are they now? = t 2(s ) +4 Let t = Taylor’s age today Let s = sister’s age today

Let m = mother’s age now d = daughter’s age now -1

Two bagels and a glass of juice cost $1. 20 Two bagels and a glass of juice cost $1.20. Three bagels and two glasses of juice is $2.05. Find the cost of one bagel and one glass of juice.

Assignment Page 377 #4-18 even