#20 La longueur d'un parc rectangulaire est 2 fois plus grande que sa largeur. Le parc
t entouré d'un trottoir de 2 mètres de largeur tel qu'illustré ci-contre.
trottoir
N
Trottoir
trottoir
N
Parc
2
trottoir
trottoir
2
trottoir
Avec le trottoir, la superficie du parc augmente de 136 m2.
Ruelle est l'aire du parc sans le trottoir ?

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

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

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.