exam
Maths Puzzle
Numerical Ability
Simplify:
4.27-6.98+1.3
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exam Other Question
running shoes in lots 50 or fewer pairs can be bought for 18 dollars per pair. the price decreases by 1.5 cents per pair for the excess over 50 pairs bought at one time up to 400 pairs. how many pairs can be bought for 4464 dollars.
Find the maximum value of C=2x+y on the region determined by the constraints:
{x + y <=6
{0 <= x <= 4
{0 <= y <= 4