This year Henry will save a certain amount of his income and he will spend the rest. Next year, Henry will have no income, but for each dollar that he saves this year, he will have 1+r dollars available to spend. In terms of r, what fraction of his income should Henry save this year so that next yr, the amount he has available to spend will be equal to half the amount he spends this year?
a. 1/r+2
b. 1/2r+2
c. 1/3r+2
d. 1/r+3
e. 1/2r+3
OA: [spoiler]E[/spoiler]
John and Mary were each paid x dollars in advance to do a certain job together. John worked on the job for 10 hours and Mary worked for 2 hours less than John. If Mary gave John y dollars of her payment so that they would have received the same hourly wage, what was the dollar amount, in terms of y that John was paid in advace?
a. 4y
b. 5y
c. 6y
d. 8y
e. 9y
OA: [spoiler]E[/spoiler]
[/spoiler]
a. 1/r+2
b. 1/2r+2
c. 1/3r+2
d. 1/r+3
e. 1/2r+3
OA: [spoiler]E[/spoiler]
John and Mary were each paid x dollars in advance to do a certain job together. John worked on the job for 10 hours and Mary worked for 2 hours less than John. If Mary gave John y dollars of her payment so that they would have received the same hourly wage, what was the dollar amount, in terms of y that John was paid in advace?
a. 4y
b. 5y
c. 6y
d. 8y
e. 9y
OA: [spoiler]E[/spoiler]
[/spoiler]
