IGCSE /Grade 7
Maths MCQ Based On Word problems on finding a value using two variable equations
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IGCSE Grade 7 Maths Word problems on finding a value using two variable equations
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Observe the question
Plug in the values given and solve.
Let's assume the cost of one pen is 'p' dollars and the cost of one pencil is 'c' dollars.
From the given information, we can form one equation as 6p + 8c = 40
To solve this, we will get a system of equations. We can use the method of substitution or elimination for solving them.
Plug in the given value in the equation and solve.
Plug in the given value in the equation and solve.
Plug in the given value to make an equation.
Let's assume the cost of one muffin is 'm' dollars and the cost of one croissant is 'c' dollars.
From the given information, we can form 1st equation as: 3m + 2c = 9
Convert the given data into an equation.
Let's assume the number of girls in the classroom as "x." We are given that the number of boys is 5 more than twice the number of girls, which can be written as the number of boys = 2x + 5.
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