Amicrowave oven is on sale for 20% off the regular price .the sale price is $250.00. what is the regular price of the microwave oven?
a 166.67
b 200.00
c 300.00
d 312.50

Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

With alll of except for the 2 that i did already