A test is worth 100 points. The test is made up of 40 items. Each item is worth either 2 points or 3 points. Which matrix equation and solution represent the situation?
A trail mix is made up of peanuts that cost p dollars per pound and dried fruit that costs d dollars per pound. A blend of 1 half pound of peanuts and 3 fourths pound of dried fruit costs 6 point 5 0 dollars A blend of 3 fourths pound of peanuts and 1 fourth pound of dried fruit costs 4 point 5 0 dollars Which matrix equation can be used to solve for the cost of 1 pound of peanuts and the cost of 1 pound of dried fruit?
A chemist has a container of 12 percent peroxide solution and a container of 20 percent peroxide solution. She needs to mix the two solutions to create 100 mL of a 14 percent solution. If x represents the amount of 12 percent peroxide solution and y represents the amount of 20 percent peroxide solution she needs, which matrix equation can determine the amount of each solution she needs to make the 14 percent solution?
Indira has 18 coins valued at 4 point 2 0 dollars She has only quarters and dimes. Which augmented matrix can be used to determine the number of quarters and dimes in the collection?
A carnival charges each person an admission fee and a fee per ride. A family pays 6 admission fees, and they pay for a total of 20 rides. A couple pays 2 admission fees, and they pay for a total of 18 rides. The family pays a total of 64 dollars The couple pays a total of 44 dollars Which augmented matrix can be used to determine the cost per admission and the cost per ride?
For a client, a landscaper purchases 3 oak trees and 4 maple trees for 380 dollars For his own home, the landscaper purchases 2 oak trees and 5 maple trees for 370 dollars Which augmented matrix represents the situation?
Janelle is five years younger than Louisa. In three years, Janelle will be half Louisa’s age. If j represents Janelle’s age now and l represents Louisa’s age now, which matrices represent the situation?
Jeremy’s fruit stand sells peaches and watermelons. In the first hour the fruit stand is open, 12 bushels of peaches and 5 watermelons are sold for a total of 150 dollars In the second hour, 15 bushels of peaches and 8 watermelons are sold for a total of 198 dollars A bushel of peaches costs p dollars, and a watermelon costs w dollars. Which matrix equation represents the situation?
A test is worth 100 points. The test is made up of 40 items. Each item is worth either 2 points or 3 points. Which matrix equation and solution represent the situation?
A carnival charges each person an admission fee and a fee per ride. A family pays 6 admission fees, and they pay for a total of 20 rides. A couple pays 2 admission fees, and they pay for a total of 18 rides. The family pays a total of 64 dollars The couple pays a total of 44 dollars Which augmented matrix can be used to determine the cost per admission and the cost per ride?
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