12 / 3 = 4 and 18 / 3 = 6, you divide it by 3 because there are 3 sides in a triangle so on side is equal to 4a + 6b.
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❖ The number is 8/14.
To find the the number, multiply the numerator and denominator by 2:
4 x 2 = 8
7 x 2 = 14
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Tom needs to earn $77.82 in order to buy the game system.
