Whats the equation for these
1. mrs. blackmon is give an algebra exam that will have 20 questions worth a total of 100 points there will be true or false questions worth 3 points each and short answer questions worth 11 points each how many of each type of question will the test include
2. today justin sold twice as many snicker bars at the ball game as he sold last friday in the two days he sold a total of 141 candy bars how many bars did he sell last friday and how many did he sell today
3.brittany and stephanie went shopping and spent $118 all together stephanie spent $8 less than twice as much as britney how much did each girl spend
4.sarah wants to buy 11 flower bulbs freesia bulbs cost $3 each and dahlia bulbs cost 5$ each. how many of each type of bulb can sarah afford?