Suppose a student collects 12 ladybugs for a project one day. This is 9 fewer than the number collected the previous days. Write an equation.
12 = B - 9
300
What is -12/ 6 - (1+4)
-7
300
What is -21(-4)
84
400
What is -255 = d - 455
d = 200
400
What is -7p = 63
p = -9
400
Your friend's bike cost $245 more than his skateboard. His bike costs $290. Write an equation for how much the skateboard is.
290 = 245 + s
400
What is -4/2 +9
7
400
What is -42/ 3
-14
500
What is -6.5 + n = -10
n = -3.5
500
What is -104b = 312
b = -3
500
You are starting a savings accoiunt. You make an initial deposit of $100. Every week after that, you deposit $20. Your goal is to save $1,000. Write an equation to find how many weeks you will need to reach your goal