General Word Problems

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how to equalize wages

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(amt paid A - x)/hours A - (amt paid B + x)/hours B

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Remainder if 1/y of x is removed from x

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x(y - 1)/y will remain

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15 Terms

1

how to equalize wages

(amt paid A - x)/hours A - (amt paid B + x)/hours B

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2

Remainder if 1/y of x is removed from x

x(y - 1)/y will remain

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3

Simple Interest =

Principal x Rate x Time (must match units)

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4

Future Value incl. Compounded Interest

Principal ( 1 + rate/periods per year)periods x years

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5

Linear Growth Formula

Final = growth constant(time periods) + initial size

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6

Exponential Growth Formula

Final = (initial value)(growth factor)time periods

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7

Value of any 2 digit number

10(tens digit) + ones digit

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8

Sum of 3 consecutive integers

x + (x+1) + (x+2)

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9

Sum of 3 consecutive even/odd integers

x + (x+2) + (x+4)

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10

Sum of 3 consecutive multiples of y

x + (x+y) + (x+2y)

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11

Attributes of a Dry Mixture Table

Units, Quantity, Total

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12

Attributes of a Wet Mixture Table

Concentration %, Quantity, Total

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13

Trick for mixtures w/ replacements

Start completing the matrix AFTER part of the mixture has been removed.
Original solution has quantity of Q - r
Replacement has quantity of r

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14

Total length of a line with one object

X + Y + 1
(size between object and back) + (size between object and front) + object

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15

Total length of a line with two objects

X + Y + Z + 2
sizes between each object or ends + 2 objects

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