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charle [14.2K]
3 years ago
13

4.8r + 49.3<74.5 solve for r​

Mathematics
1 answer:
neonofarm [45]3 years ago
4 0

Answer:

r < 5.25

Step-by-step explanation:

we have

4.8r + 49.3 < 74.5

Solve for r

Subtract 49.3 both sides

4.8r + 49.3-49.3 < 74.5-49.3

4.8r < 25.2

Divide by 4.8 both sides

4.8r/4.8 < 25.2/4.8

r < 5.25

The solution is the interval -----> (-∞,5.25)

All real numbers less than 5.25

In a number line, is the shaded area at left of r=5.25 (open circle)

see the attached figure to better understand the problem

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