You need a 70% alcohol solution. On hand, you have a 300 mL of a 50% alcohol mixture. You also have 95% alcohol mixture. How much of the 95% mixture will you need to add to obtain the desired solution?

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Math Problems.

73) A bank loaned out $14,500, part of it at the rate of 6% annual interest, and the rest at 5% annual interest. The total interest earned for both loans was $775.00. How much was loaned at each rate?

  • was loan at 6%
  • was loan at 5%

74) You need a 70% alcohol solution. On hand, you have a 300 mL of a 50% alcohol mixture. You also have 95% alcohol mixture. How much of the 95% mixture will you need to add to obtain the desired solution?

75) A rectangle has an area of 162 cm2 and a perimeter of 54 cm.what is its dimensions?

  • Its length is
  • Its width is

76) Graph: {y<1/2 x+2}y> -x-1

Write the specific point as to where to place the point on the graph

78) A movie theater has a seating capacity of 313. The theater charges $5.00 for children, $7.00 for students, and $12.00 of adults. There are half as many adults as there are children. If the total ticket sales was $ 2264, How many children, students, and adults attended?

  • children attended
  • students attended
  • adults attended