Question

if X:5/7=7/8:5/4 then find x​

Answer 1

Answer:

X×5/7=7/8×5/4

5/7x=35/32

x=49/32

Answer 2

Step-by-step explanation:

$x \div \frac{5}{7} = \frac{7}{8} \div \frac{5}{4} \\ \\ \frac{7x}{5} = \frac{28}{40} \\ \\ 7 x \times 40 = 5 \times 28 \\ \\ 280x = 1400 \\ \\ x = 1400 \div 280 \\ \\ x = 5$