Fred is trying to earn $35 to buy a basketball. He has saved $11.25. He earns $2.25 per hour doing yard work for his neighbor, and he earns $7.25 per hour selling sunglasses at the mall. Will Fred have enough to buy the basketball if he works in the yard for 2 hours and at the mall for 3 hours? Use the inequality 2.25y + 7.25z + 11.25 ≥ 35.
Answers
37.50 trust me I did the Macha and got it right the other anwsers r wrong have a great day
1. x = 4, y = 2
2. 3x + 3 = 15
3x = 12
x = 4 <==
3. 4a + 2 > = 12
4a > = 10
a > = 5/2 (or 2.5)
answer is {2.5,3,3.5}
4. 2.25(2) + 7.25(3) + 11.25 > = 35
4.50 + 21.75 + 11.25 > = 35
37.50 > = 35...yes, because total is $ 37.50
5. 18(2/3) + 4 > 18
12 + 4 > 18
16 > 18FALSE
2. 3x + 3 = 15
3x = 12
x = 4 <==
3. 4a + 2 > = 12
4a > = 10
a > = 5/2 (or 2.5)
answer is {2.5,3,3.5}
4. 2.25(2) + 7.25(3) + 11.25 > = 35
4.50 + 21.75 + 11.25 > = 35
37.50 > = 35...yes, because total is $ 37.50
5. 18(2/3) + 4 > 18
12 + 4 > 18
16 > 18FALSE
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