Equations
Solve 3x + 9 = -6
-5
s+4>10
s>6
Grandma's age is 6 years less than 5 times Joe's age, j. If Grandma is 64 years old, which equation could be used to find Joe's age?
6j+5=64
5-6j=64
5j-6=64
64-5(6)=j
5j-6=64
Solve 4h+5=106
Answer as a mixed number
25 1/4
If each picture frame is $5, and a decorator spends at least $60 on picture frames, write an inequality that represents the number of picture frames, p, the decorator could have purchased?
5p > or = to 60
Joley bought x hockey tickets for a hockey game for $118.32 each. The processing fee was $29.45. Joley spent a total of $502.73. • Write an equation to determine the number of hockey tickets Joley bought, x. • How many hockey tickets did Joley buy?
118.32x + 29.45 = 502.73
4
The equation 3c = 4s gives the relationship between c, the weight of clay, and s, the weight of sand in a mixture. If there are 6.25 pounds of clay in the mixture, what is the weight of the sand? Round to the nearest hundredths.
4.69 pounds
y/3 + 12 < 20
y<24
Nora is running a race that is 26.2 miles. She is running at a speed of 8 mph. She has already completed 3/4 of the race. How much longer will it take her to finish the race? Round to the nearest hundredths.
0.82 hours
The equation y = 12x + 60 can be used to estimate y, the height of a tree in centimeters x months after it's planted. When a tree is 150 cm tall, how long ago was the tree planted? 7.5, 10.8, 17.5, or 78 months?
7.5 months
Solve -2x+8 > 4
x<2
Mr. Garces has a budget of $250.00 to purchase lab kits and to rent chairs. Lab kits are required at a cost of $10.50 per kit. The total cost of renting chairs is $35.00.Write an inequality that Mr. Garces could use so that he knows how many kits he can buy. Use your calculator to determine how many full kits he can purchase without exceeding his budget.
10.50k + 35 < or = to 250
20.48 so 20 kits
The sum of 3 consecutive even integers is 552. Which equation could be used to find the integers?
3x+4=552
x+(x+1)+(x+2)=552
x +(x+2)+(x+3)=552
3(x+2)=552
3(x+2)=552
20>6-2y
y>-7
Last week there were 4 soccer games. Ashley made 3 times as many goals as Bri and Jazz combined. Ashley scored 12 goals and Jazz scored 2. Write an equation that could be used to find how many goals Bri scored.
5(b + 2) = 12