What is the value of a that satisfies the equation below?
5(a+5)-2(3a+4)=-10
A. -23 C. 19
B. -7 D. 27
D. 27
David’s parents have three sons: Snap, Crackle and…?
David!
Which equation is equivalent to 1/8(a+72)=360?
A. 1/8a=288 C. 1/8a+9=360
B. 1/8a+72=360 D. 1/8a-9=360
C. 1/8a+9=360
Mary has four daughters, and each of her daughters has a brother — how many children does Mary have?
Five, each daughter has the same brother.
How many solutions does the following equation have?
0.9x+5.1x-7=2(2.5x-3)
One Solution
x=1
I’m tall when I’m young and I’m short when I’m old. What am I?
A Candle
Eddie needs $42 for a pair of shoes. He has $12. He earns $5 per hour babysitting. Write and solve an equation to figure out how many hours Eddie needs to work to earn enough money to buy the shoes.
Equation: 5h+12=42
Answer: 6 hours
I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?
Fire!
Translate and solve the word problem below to determine the value of n.
Six more than five times a number, n, is the same as nine less than twice the number.
Equation: 5n+6=2n-9
Answer: n=-5
I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?
A Map