HOTS Mathematics Primary 5 Decimals

When a number N is multiplied by 100, the result is 283.5 more than when N is multiplied by 10. What is the value of N?

A 3.15
B 2.835
C 28.35
D 31.5
Show Worked Solution

Worked Solution

Step 1: Write the equation. 100N - 10N = 283.5 Step 2: Simplify the left side. 90N = 283.5 Step 3: Solve for N. N = 283.5 / 90 = 3.15 Answer: N = 3.15

Correct answer: 3.15

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