MATHEMATICS PROBLEM SOLVER

It is a site for parents, students and teachers. This site can help O-LEVEL or GCSE secondary school students in mastering mathematics subject. It intends to involve the learners by making them follow up the examples before they can do questions on their own at the TRY THIS.... section. There are some videos, tests, quizzes and past examination questions. Learning the examples will ultimately give students the required confidence in solving various questions in mathematics.

Monday, 15 January 2018

INEQUALITIES 4

When 7 is subtracted from twice a certain number, the result is greater than 39. Find the number.

Solution

Let the number be w.

2w – 7 > 39

2w > 39 + 7

2w > 46

2 2

w > 23 answer

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When 30 is subtracted from thrice a certain number, the result is greater than 51. Find the number.

MATHEMATICS PROBLEM SOLVER

Monday, 15 January 2018

INEQUALITIES 4

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