To find one intercept, let d = 0 in the equation and solve for q. To find the other intercept, let q = 0 in the equation and solve for d. The intercepts mean that the bank could be filled with 54 quarters and no dimes, or 135 dimes and no quarters.
5q + 2d = 270 The intercepts can be calculated by first putting d equal to 0 and then q equal to 0. These will be: 5q = 270 q = 54; (0 , 54) 2d = 270 d = 135; (135, 0) The equation represents the total number of coins in the piggy bank and (0 , 54) shows the number of quarters in the piggy bank when there are no dimes and (0 , 135) shows the number of dimes when there are no quarters.
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