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All you've got to do is divide the numerator by the denominator to get the mixed number. The mixed number is likely not to come out as a whole number though, so just see how many times the numerator can go into the denominator and put the remainder as the numerator over the fraction.
17/5
Since 5 can go into 17 three times as a whole, put the remainder(2) as the numerator
Final Answer: 3 2/5
7/2
Since 2 can go into 7 three times as a whole, put the remainder(1) as the numerator
Final Answer: 3 1/2
3 consecutive even numbers : x, x + 2, x + 4
x + x + 2 + x + 4 = 90
3x + 6 = 90
3x = 90 - 6
3x = 84
x = 84/3
x = 28...thats gonna be the smallest
x + 2 = 28 + 2 = 30
x + 4 = 28 + 4 = 32
Answer:
Let g represent the cost of gas and e represent the cost of electricity.
150g + 520e = 84.20 ⇒ 7(150g + 520e = 84.20) ⇒ 1050g + 3640e = 576.80
210g + 405e = 82.35 ⇒ -5(210g + 405e = 82.35) ⇒ -1050g - 2025e = -411.75
1615e = 165.05
e = 0.10
150g + 520(0.10) = 84.20
150g + 52 = 84.20
140g = 32.20
g = 0.23
Answer: gas = $0.23, electricity = $0.10
Step-by-step explanation:
Answer:
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Step-by-step explanation:
