Ana wants to burn at least a 400 calories at the gym. She burned 120 calories on the bike, then moved to the treadmill. If she burns 8calories per minute on the treadmill, how many more minutes does she need to exercise

Are carpet coast $15 per square metre. the total delivery charge is $21 peter buys n squared metres of carpet what is the expression which represents the total cost in $

Joel wants to buy a new tablet computer fram a store having a 20% off sale on all tablets. the tablet he wants has an original cost of $190. he also wants to make sure he has enough money to pay the 5% sales tax. part one joel uses the incorect expression 0.95(190)(0.8) to calculate that the tablet will cost him a total of $144.40. describe his error and write the correct expression part two how much will joel pay for the tablet show your work if you answer this question correctly you will receive a prize of 99 points good luck

The holiday party will cost $160 if 8 people attend.if there are 40 people who attend the party, how much will the holiday party cost