Respuesta :
cross multiply your fractions. if you have x/3=5/7, x*7 has to equal 3*5, meaning 7x=15. divide both sides by seven to get x=7/15.
Answer:
Step-by-step explanation:
X/3 = 5/7
Cross multiply
X×7 = 3×5
7X = 15
X = 15/7
X = 2 1/7