book Maths Puzzle Numerical Ability

Divide. Write result in simplest form:

3/4 divide by 9

5 1/3 divided by 2 2/5

2 problems to resolve
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book Other Question

The cost in dollars of manufacturing w wing nuts is given by the expression 0.07w + 13.3. Find the cost when 375 wing nuts are made. What is the average cost to manufacture one wing nut? Can you please help me with the following 2 questions.

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1.

A = P + PRT

SOLVE FOR T WHEN A = 70, P = 50 AND R = .1

2. FIND THE 3 CONSECUTIVE INTEGERS SUCH THAT