Use the problem-solving strategy for applications of linear equations to solve the application problem.How many liters (L) of a 10% alcohol solution must be mixed with 50 liters of a 90% solution to get a 20% solution?

A. 400 L
B. 40 L
C. 35 L
D. 350 L


Answer: D

Mathematics

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Simplify the expression.ln e-5x + 10

A. 10e-5x B. -5x e10  C. -5x + 10 D. -5x + e10 

Mathematics

Provide an appropriate response.Find the value and simplify: 

Fill in the blank(s) with the appropriate word(s).

Mathematics

Find the missing quantities. If there is no operating loss or absolute loss, write "none."

A. Cost = $110 Reduced price = $99 Operating loss = none B. Cost = $168 Reduced price = $157 Operating loss = $29 C. Cost = $150 Reduced price = $132 Operating loss = $18 D. Cost = $110 Reduced price = $99 Operating loss = $40

Mathematics

Solve the problem.Jordan sold his used electric saw and accessories for $462. If he received 10 times as much money for the electric saw as he did for the accessories, find how much money he received for the electric saw.

A. $52 B. $42 C. $420 D. $4620

Mathematics