Working alone, Carlos can oil the lanes in a
bowling alley in five hours. Jenny can oil
the same lanes in nine hours. If they worked
together how long would it take them?

3.21 hrs.

Step-by-step explanation:

Carlos oils all lanes/5 hrs. = 1/5 of the lanes/hr. Jenny oils all lanes/9 hrs. =1/9 lanes per hour. To do all lanes 1/0.311=3.21 hrs. ANSWER: Together it takes Carlos and Jenny 3.21 hours to oil all the lanes!

6 meters

step-by-step explanation:

vwhat effect does the word head have on the meaning of this passage?

a. it demonstrates how intelligent he was.

b. it shows he was a favorite of the teachers.

c. it indicates he would be a good preacher.

d. it reveals how self-important he was.

how does the choice of the word head contribute to the passage’s tone?

a. it offers a sense of entitlement.

step-by-step explanation: