3 years ago

Given that 5x:8 = 7:2 Calculate the value of x.

Mathematics

2 answers:

OLEGan [10]3 years ago

5 0

Answer:

$x = 5.6$

Step-by-step explanation:

$5x : 8 = 7 : 2 \\ \frac{5x}{8} = \frac{7}{2} \\ \\ cross \: \: multiple \\ 10x = 8 \times 7 \\ 10x = 56 \\ \frac{10x}{10} = \frac{56}{10} \\ x = 5.6$

PolarNik [594]3 years ago

3 0

Answer:

x = 28/5 = 5.600

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