Common-Core/ Grade 7
Maths MCQ Based On Word problems on finding a value using two variable equations
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Common-Core Grade 7 - 7 Word problems on finding a value using two variable equations
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Plug in the given value in the equation and solve.
Suppose x represents the larger number, and y represents the smaller number. Based on the given information, we can write 1st equation as:
x + 3y = 27
Plug in the given value in the equation and solve.
If x represent the smaller number, and x + 2 represent the larger number.
Plug in the given value to make an equation.
Plug in the given value in the equation and solve.
Let's assume the number of apples bought is "x" and the number of oranges bought is "y." Then we can write as x + y = 7
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
Observe the question
Let's assume the cost of one novel is 'n' dollars and the cost of one textbook is 't' dollars.
From the given information, we can form the first equation as 2n + 4t = 90
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