1/4 of the pool per 4 hours hour is 1/4 * 1760 l/ 4hr = 110 l/hr
110 + 330 = 440 L/HR
1760 L / 440 L/HR = 4 hours
Let 'x' be her usual hourly wage
then 1.6 x is her ovetime wage
she worked 6 hours overtime (6 hours past 40 hours)
40 x + 1.6x ( 6) = 644.80 Solve for 'x' her regular wage....
2x-5 >= -x +12 add 'x' to both sides of the equation
3x -5 >= +12 add 5 to both sides
3x >= 17
x >= 17/3
[ 17/3 , +inf)
There are 26 black cards + 2 additional red kings for a total of 28 cards out of 52 which will meet your criteria
28/52 = 7/13
It is the same as the sin of angle RPQ
7/ 25 since the angles are supplementary (they sum to 180 degrees)
Thnx, Alan! I should have known that ! A temp brain infarct !
Their combined speeds, (x) and (x-30) cover the 390 km in 3 hours
3 hours * x km/hr + 3 hours * (x-30)km/hr = 390 km
3x + 3 (x-30) = 390
solve for 'x' the speed of the express, then ffreight = (x-30)
sum of ingredients = sum of the products
.18 x + .4 (10 - x) = .20 (10) solve for 'x' the liters of 18% then 40 % will be 10 -x liters
Need to know this:
A total of about 180,000 terawatts of solar power reaches Earths surface .... Per year? per day? per hour? per second??????
90x + 40 ( 50 - x ) = 85 ( 50) solve for x the amount of 90 cent pounds, then 50 - x is the amount of 40 cent pounds.