Your answer would be—> 15
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Answer:
1 and 5
Step-by-step explanation:
Got it right
Apply lg on both sides.
lg7^x^2 = lg9^x
Bring the power forward.
x^2lg7 = xlg9
x^2/x = lg9/lg7
x = lg9/lg7 = 1.13
22.5 km divided by 5 hours equals a constant speed of 4.5 km per hour.