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Maths Puzzle
Numerical Ability
A pizza shop sold a total of 50 small pizzas. The receipts from sales were $160.00. If large pizzas were $4, and small pizzaa were $3, how many of each were sold?
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book Other Question
4-6(3x-1)<5x+2
4-18x+6<5x+2
-5x -5x
4-13x+6<2
-4 -4
-13x+6<-2
-6 -6
-13x<-8
_______
-13x -13x
x=8/13
a line passes through a(1,-3) and b(2,7)
write the equation of a line perpendicular to a. how would you go about solving this problem?