One number is 1 less than a second number. Twice the second number
is 31 less than 5 times the first. Find the smaller of two numbers.
a. 10
b. 12
c. 11
d. -12
A chemist needs 90 mL of a 72% solution but has only 68% and 77% solution
available. Find how many Ml of the 68% solution should be mixed with the 77% solution to get the desired strength.
She should use ________ mL of the 68% solution
One number is 3 less than a second number. Twice the second number
is 4 less than 3 times the first. Find the smaller of the two numbers.
If a right triangle has equal legs, and the hypotenuse is 4 ft. how long is each leg (leave answer is radical form)
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