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How many ozs of gold that cost $320 per oz should a man mix with 100 ozs of an alloy that costs $100 per oz to make new alloy that costs $160 per oz?
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Compute the length of the altitude through A of an isosceles triangle in which AB=AC=26 cm and BC=20 cm
Compute the length of the diagonal of a rectangular box whose edges are 3 cm, 4 cm, and 12 cm.
What is the number of 15-centimetre square tiles required to cover a rectangular floor 5.4 m long and 4.05 m wide?
A deck of cards has the Jacks, Queens and Kings removed. Four cards are chosen and lined up on table.
Provide examples of 2 × 2 matrices such that A, B are invertible but A + B is not.
Kathy charges $7.50 per hour to mow lawn Sharon charges 1.5 times as much to do the same job. How much does Sharon charge to mow a lawn?
Jack has two jobs, his annual income from first job being $37,600 and that of second job being $9,400. Write down the relation of the second income to the first in ratio format.
A plane flys 2400 miles one way and takes 4 hours, then fly's back the same manner and takes an hour and half longer. Determine the speed of the plane in still air and what is the wind speed?
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