At the bake sale 182 pies were sold. The school sold blueberry and peach pies. The peach pies cost $7.50 and the blueberry pies cost $6.25. The total amount the school made was $195. Write a system of equations for this situation.
(Let p=# of peach pies sold and b=# of blueberry pies sold.)
195=7.5p+6.25b
182=p+b
100
y=8x+3
y=8x+3
IMS
200
347=5x+3y
17=9x-3y
Elimination Method
200
mx+b=y
x=(y-b)/m
200
At Sarah's school, they got new chairs and desks. Each chair cost $3 and each desk cost $5. In all the school bought 28 chairs and desks for $106. Write a system of equations to represent this situation. (let c=# of chairs, let d=# of desks)
106=3c+5d
28=c+d
200
y=2x-4
y=2x+21
No solution
300
x=2y-1
3x+y=36
Substitution
300
lm+tx=b
x=(b-lm)/t
300
Dougg collected seashells at two beaches. At the first beach he collected 4 less than twice the amount of seashells he collected on the second beach. He ended up collecting 260 seashells in all. (let f=# of seashells colected on first beach and let s= # of seashells collected at the second beach.)