Expressions Book Two
Please help me with two algebra questions?
I’ve got everything done except these two, if you don’t want to do them for me that’s fine, but at least help me find the algebraic equation so I can solve it myself, it should be easy from there on.
1.) The school store sold 200 regents review books at $1.25 each. Then the manager decided to raise the price to $1.50 each. How many review books must be sold at $1.50 each in order to achieve an average price of $1.45 per review book? Solve using an algebraic expression.
Let x = # of review books sold at $1.50 each.
2.) The indicator of an oil tank shows 1/5 full. After a truck delivers 165 gallons of oil, the indicator shows 4/5 full. What is the capacity, in gallons, of the tank? Solve using an algebraic expression.
Let x = # of gallons of oil when the tank is filled to full capacity.
Thanks in advance!
1) 1.45=(200*1.25+x*1.50)/(200+x) x=800
2) 165=(4/5-1/5)*x x=275
Book 02 – Chapter 01 – A Tale of Two Cities by Charles Dickens
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