29. Martin has some dollar notes. 20% of the notes are $10 notes, 40% of
1 answer:
Answer:
Step-by-step explanation:
Let the number of notes is x.
<u>20% of notes is: </u>
<u>40% of the remainder is: </u>
- 40% of 0.8x, so it is
- 0.8x*0.4 =
- 0.32x
<u>Remaining notes are:</u>
<u>Total of the notes:</u>
- 0.2x*10 + 0.32x*5 + 0.48x*2 = 1026
- 2x + 1.6x + 0.96x = 1026
- 4.56x = 1026
- x = 1026/4.56
- x = 225
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-64.5g = -25.8
to get g by itself, u will have to divide both sides by -64.5
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1g or just g = 0.4
Answer:
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Step-by-step explanation:
X represent the number of laps Marcy swam, 1 1/4x represent the number of times Toni swam.
20 + 0.80(1 1/4x) + 15 + 0.85x = 257
20 + x + 15 + 0.85x = 257
1.85x + 35 = 257
Required equation is 1.85x + 35 = 257
Answer:
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Step-by-step explanation:
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