Question 16 of 20intermediate🔧 ApplyNumerical3 marks

Mira is reading a novel that has 400 pages. She read 15\frac{1}{5} of the pages yesterday and 310\frac{3}{10} of the pages today. How many more pages does she need to read to finish the novel?

Correct Answer

Given: Total pages = 400. Pages read yesterday = 15\frac{1}{5}. Pages read today = 310\frac{3}{10}.

Calculation: Step 1: Pages read yesterday = 15×400=80\frac{1}{5} \times 400 = 80 pages Step 2: Pages read today = 310×400=120\frac{3}{10} \times 400 = 120 pages Step 3: Total pages read = 80+120=20080 + 120 = 200 pages Step 4: Remaining pages = 400−200=200400 - 200 = 200 pages

Answer: Mira needs to read 200 more pages to finish the novel.

Exercise: Figure it Out (Section 4) | Q: 5 | (Page Page 25)
For More Understanding

Explanation

The chapter explains multiplication of fractions. Pages read yesterday = 15×400=80\frac{1}{5} \times 400 = 80. Pages read today = 310×400=120\frac{3}{10} \times 400 = 120. Total read = 80+120=20080 + 120 = 200. Remaining = 400−200=200400 - 200 = 200 pages.

Solution Steps

  1. Step 1: Pages read yesterday = 15×400=80\frac{1}{5} \times 400 = 80 pages

  2. Step 2: Pages read today = 310×400=120\frac{3}{10} \times 400 = 120 pages

  3. Step 3: Total pages read = 80+120=20080 + 120 = 200 pages

  4. Step 4: Remaining pages = 400−200=200400 - 200 = 200 pages

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