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Can someone help me with this?
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20 votes
Can someone help me with this?

Can someone help me with this?-example-1
User Luu
by
8.4k points

2 Answers

4 votes

Answer:


4x + 10y = 28 \\ 5x + 9y = 28 \\ 10y = 28 - 4x \\ y = (28 - 4x)/(10) \\ y = 2.8 - 0.4x \\ 5x + 9(2.8 - 0.4x) = 28 \\ 25.2 - 3.6x + 5x = 28 \\ 1.4x = 2.8 \\ x = 2 \\


y = 2.8 - 0.4 * 2 \\ y = 2

B

User Levi Fuller
by
7.6k points
3 votes

Answer:

B

Explanation:

4x4= 8

10x10= 20

8+20= 28

5x2= 10

9x2= 18

10+18= 28

User Goz
by
7.8k points
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