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igor_vitrenko [27]
3 years ago
8

Solve the proportion using cross products. Round to the nearest hundredth if necessary. $18.45/m gal = $3.60/7.5gal

Mathematics
2 answers:
IceJOKER [234]3 years ago
7 0

Answer:

m = 38.44

Step-by-step explanation:

Let's consider the following proportion.

$18.45/m gal = $3.60/7.5gal

According to the cross products property of proportions, the product of the means is equal to the product of the extremes.

$18.45 × 7.5gal = m gal × $3.60

m gal = $18.45 × 7.5gal/ $3.60

m gal = 38.44gal

m = 38.44

sveta [45]3 years ago
3 0
\dfrac{\$18.45}{n \text { gallon}}  =  \dfrac{\$3.60}{7.5 \text { gallon}}

Cross multiply
n \times \  3.60 = 7.5 \times \  18.45

Combine like terms
3.60n = 138.375

Find n
n = 138.375\div 360

Answer
n = 0.38 \text { (nearest hundredth)}
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