Arithmetic
What's 5/12 as a decimal?
.41666
-13-(-5)
-8
Solve the proportion:
9/10 =x/20
x=18
solve:
15x=105
x=7
solve:
3xx15-4+16div2
49
10(4/15) ?
2 2/3
(-35)(-5)
175
At the local store you can buy 6 folding chairs for $150. How many chairs can you buy for $450?
18 chairs
Solve:
45-5x >-=225
x<=36
Solve:
1/4 + 3/8 -1/2
1/8
.0254 div 7.9
.026
Jt is 500ft below sea level, he descends at a rate of 10ft per second. How long will it take him to reach 1000ft below sea level?
100 seconds or 1min and 40 sec
A plant grows 3 cm per week. How tall will the plant be in 35 days?
15cm
Write this expression:
20 more than twice a number is 40
Extra point: solve it
x=21
.25(1+.04) -.45 +2.35(5xx6)
70.31
68% as a fraction (reduced)
17/25
An airplane is flying at an altitude of 6,000 ft. It begins descending at a rate of 200ft per minute . What's the altitude in 8 minutes?
4,400 ft
On a map, 1cm represents a distance of 15,000 meters. How many KILOMETERS are represented by 7 cm? (1km= 1000m)
105 km
The perimeter of an equilateral triangle is 45. Write and solve an equation to solve for x, the length of one side of the triangle. (you need both to get full points)
3x=45
x=15
3^3 xx 5^2 - (35x5)
500
solve for x:
25x=950
x=38
The value of Zions stock holdings was $9,600 at noon on April 21st and $8,200 at noon on April 25th. What was the change per day? (the sign needs to be correct to get full points)
$-350 per day
De'Andre has saved up $150 for a car. He gets a job to save even more money. He earns $532 for four weeks worth of work. How much will he have saved up after working 25 weeks?
$3,475
Axel has $80 in his checking account. He wants to buy 5 new video games. He needs to keep AT LEAST $20 in his account. Write and solve for what the Minimum amount of money he can spend on each game? (if i help, the total points we can get is 200)
x<=12
(15-5)^2 -45 +6^3
271