Mathematics, 01.08.2019 15:30 xxblablaz799
1. a box of crayons costs $1.75, including tax. mr. valentino wants to purchase boxes of crayons for his class and has a $25 budget. write an inequality to solve for the number of boxes of crayons mr. valentino can purchase with his budget. $1.75x β€ $25 $1.75x β₯ $25 $25x β€ $1.75 $25x β₯ $1.75 2. solve for x: 4 β (x + 2) < β3(x + 4) x < β7 x > β7 x < β9 x > β9 3. tony has $727.29 in his checking account. he must maintain a $500 balance to avoid a fee. he wrote a check for $248.50 today. write and solve an inequality to solve for the least amount of money he needs to deposit to avoid a fee. 727.29 + 248.50 β x β₯ 500; x β₯ $475.79 727.29 + 248.50 β x β€ 500; x β€ $475.79 727.29 β 248.50 + x β₯ 500; x β₯ $21.21 727.29 β 248.50 β x β€ 500; x β€ $21.21 4. a cab charges $1.75 for the flat fee and $0.25 for each mile. write and solve an inequality to determine how many miles eddie can travel if he has $15 to spend. $1.75 + $0.25x β€ $15; x β€ 53 miles $1.75 + $0.25x β₯ $15; x β₯ 53 miles $0.25 + $1.75x β€ $15; x β€ 8 miles $0.25 + $1.75x β₯ $15; x β₯ 8 miles 5. eduardo solved the following inequality, and his work is shown below: β5(x + 4) + 21 β₯ β3 + 4(x β 8) β5x β 20 + 21 β₯ β3 + 4x β 32 β5x + 1 β₯ 4x β 35 β9x β₯ β36 x β₯ 4 what mistake did eduardo make in solving the inequality? when dividing by β9, he did not change the β₯ to β€. he subtracted 4x from both sides when he should have added 5x. he subtracted 1 from both sides when he should have added 36. he did not make a mistake.
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1. a box of crayons costs $1.75, including tax. mr. valentino wants to purchase boxes of crayons for...
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