two times a number plus one equals four times the same number minus five. what is the number
A piece of cable 8.5 cm long weighs 52 grams. What will a 10-cm lenght of the same cable weigh
for a recent year, 39 more democrats than republicans represented a country. If the total number of representatives[..]
You have to answer 3 essay questions for an exam. There are 4 essays to choose from. How many different groups of 3[..]
A theater group made appearances in two cities. The hotel charge before tax in the second city was $1000 higher[..]
A photograph has a length that is 2 inches longer than its width, x. So its area is given by the expression square[..]
To make each Martini at the Faculty Holiday Party, Prof. Smith mixes 3 ounces of vodka and 1 ounce of dry Vermouth.[..]
Kellen’s boat travels 12 mph . Find the rate of the river current if she can travel 10mi upstream in the same amount[..]
One half of the storage capacity of a music CD has been used. Suppose you add some songs which took 1⁄4 of the[..]
Among all pairs of numbers (x,y) such that 4x+2y=18, find the pair for which the sum of squares, x^2+y^2, is[..]