exam Maths Puzzle Numerical Ability

the sum of two numbers is 90. The larger number is twice he smaller number. What are the two numbers?

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exam Other Question

Which of the ordered pairs is a solution for the equation 2x - 3y = 6?
A) (0, 2)
B) (-3, 0)
C) (-3, -2)
D) (0, -2) Two cars leave from a town at the same time traveling in opposite directions. One travels 5 mph faster than the other. In 3 hours, they are 267 miles apart. How many mph is each car traveling? I know Distance = rate * time.