exam Maths Puzzle Numerical Ability

log 4x= log 5+log(x+1)

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exam Other Question

find the interest rate for a simple interest loan with P=$1420, I=$306.72, t=3 years Can you verify my answers for the following questions? For #1 I got 6.3 m and for #2 I got 7.6 m. Are these correct?

1) A homeowner wishes to insulate her attic with fiberglas