The difference between a number and fifteen is seven. Find the number
x-15=7;22
100
Find the cost per oz of a sunscreen made from 100oz of a lotion that cots$2.50 per oz and 50oz of a lotion that cost $4.00 oz.
$3
200
Is -4 a solution of 4+5x=x2-2x
***
no, -4 is not a solution
200
3/4x-2=-11
x=-12
200
5[2-(2x-4)]=2(5-3x)
x=5
200
The product of five and a number is negative fifteen. Find the number.
5x=-15; -3
200
Two planes leaving an airport at 8am one flying north at 480 km/h and the other flying south at 520 km/h. At what time will they be 3000km apart?
11A.M
300
Solve:
x+2/5=1/3
The solution is -1/15
300
3x-7=-5
x=2/3
300
Whats due today at mid-night?
Chapter 5 quiz on web assign
300
Find two consecutive even integers such that three times the first integer equals twice the srcond
4,6
300
True or False
If a rope 8meters long is cut into two pieces and one of the pieces has a length of x meters, than the length of the other piece can be represented as (x-8) meters.
FALSE!!!
400
Two cyclists start at the same time at opposite ends of an 80-mile course. one cyclist is traveling 18 mph and the second cyclist is traveling 14mph how long after they begin cyclling will they meet?
2.5 hr
400
4/5x-1/2=3/4
x=25/16
400
5x+2(x+1=23
x=3
400
The sum of two numbers is fifteen. One less than three times the smaller is equal to the lager. Find the two numbers.
3x-1=15-x; 4, 11
400
the manager of a farmer's market has 500 lb of grain that cost $1.20 per pound. How many pounds of meal costing $0.80 per pund should be mixed with the 500lb of grain to produce a mixture that cost$1.05 per pound?
300lbs
500
y+3=9
y=6
500
0.8=7d+0.1
x=0.1
500
5+3[1+2(2x-3)]=6(x+5)
x=20/3
500
find three consecutive odd integers such that three times the middle integer is one more than the sum of the first and third.
-1,1,3
500
How far can the members of a bicycling club ride out into the country at a speed of 12mph and return over the same road at 8mph if they travel a total of 10h?