Use the formula A= height*base/2
Answer:
12
Step-by-step explanation:
PEMDAS
5+2*5-3
2*5=10
10+5=15
15-3=12
Answer: Jason has 7 pennies and 6 nickels.
Step-by-step explanation:
Let be "p" the number of pennies that Jason has and "n" the number of nickels that Jason has.
Set up a system of equations:
You can use the Elimination Method. Multiply the first equation by -0.01 and add both equations:

Susbtitute this value into the first equation and solve for "p":

6(c-20)≤360 divide both sides by 6
c-20≤60 add 20 to both sides...
c≤80
So the original cost of chairs must be $80.00 or less.
Answer:
it costs her $12.87 for her pilld
Step-by-step explanation:
50 - 37.13