Solve the proportion below.
90/x=3/4
x =
O A. 91
B. 120
C. 150
O D. 99
2 answers:
Answer:
Step-by-step explanation:
90 times 4 = 360
360 divided by 3 = 120
x=120
Answer:
B) 120
Step-by-step explanation:
Initial problem: 90/x = 3/4
Cross multiply to get:
90*4 = 3x
360 = 3x
x = 120
Check (optional):
90/120 = 3/4
(simplify):
3/4 = 3/4 so it is correct
If you're confused about any of these steps, just let me know and I'll try to help!
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Pythagoras theorem.
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x²=329
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