Ask question

Ask question

All categories

3 years ago

13

Laura can finish payroll in 3 hours. it takes ben 5 hours to do the same job. If they work together, how long should it take the

m?

1 answer:

rjkz [21]3 years ago

5 0

Answer:

15/8 hours .................

Step-by-step explanation:

Let L be Laura, and B be Ben. Then:

3L=1

5B=1

Next:

15L=5

15B=3

15(L+B)=5+3=8

15/8 (L+B)=1

You might be interested in

Audrey bought 37 meters of fabric to make curtains for her customer. The fabric cost $750 per meter. When she arrived home she r

Lisa [10]

Answer:

She lost $2550.

Step-by-step explanation:

She bought 37 meters at $750/m.

37 m * 750/m = $27,750

She paid $27,750

She sold 28 m at $900/m

28 m * $900/m = $25,200

She sold $25,200

$25,200 - $27,750 = -$2550

She lost $2550.

5 0

2 years ago

Read 2 more answers

Tamika makes a 4% commission selling electronics. How much commission does she make if she sells a flat-screen TV for $8,000?

Vesna [10]

Answer:

D.) $320

Step-by-step explanation:

4% of 8,000

so

0.04 x 8,000

= 320

8 0

3 years ago

Dan uses a remote control to make his drone take off from the ground. Function h represents the height, in feet, of the drone t

LUCKY_DIMON [66]

I think it’s c I am not sure

3 0

3 years ago

Read 2 more answers

There is a traffic light at the intersection of pine street and spruce avenue the traffic light on pine street follows a cycle i

murzikaleks [220]

10/60= 1/6
p(event)= # of ways an event can occur/sample space zice(the number of possible outcomes)

6 0

3 years ago

Read 2 more answers

What type of angle is this? <br> A. Straight angle<br> B. Supplementary <br> C. Complementary

Zigmanuir [339]

Answer:

I am going to say complementary.

Please correct me If I am wrong

Step-by-step explanation:

3 0

2 years ago

Read 2 more answers