Sapphire and trinity are shopping for school clothes. sapphire has $50 and a coupon for a $10 discount at a boutique where each shirt costs $12. sapphire thinks that she can buy three shirts, but trinity says that sapphire can buy five shirts. the equations they used to model the problem are listed below. solve each equation algebraically, and determine who is correct and why. susan’s equation 12x + 10 = 50 bonnie’s equation 12x − 10 = 50

Ms. sutton recorded the word counts and scores of the top ten essays in a timed writing contest. the table shows her data. how does the word count of an essay relate to its score in the contest? word count tends to decrease as the score decreases. word count tends to increase as the score decreases. word count tends to remain constant as the score decreases. word count has no apparent relationship to the score of the essay.

Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.

Suppose that 15 inches of wire cost 60 cents. at the same rate, how much (in cents) will 12 inches of wire cost