2 years ago

Paul worked as a library volunteer for 8 ¼ hours. Harry worked for 3 ½ hours. How much longer did Paul work than Harry?

Mathematics

1 answer:

stiks02 [169]2 years ago

8 0

Answer:

4 3/4

Step-by-step explanation:

= (8 - 3) + (1/4 - 1/2)

= 5 + 1/4 - (1 x 2 over 2 x 2)

= 5 + 1/4 - 2/4

= 5 and (1/2 over 4)

= 5 + -1/4

= 4 3/4

You might be interested in

After 4 new students joined a class, the class had 32 students.

AleksandrR [38]

Answer:

32-4=n or 4+n=32

5 0

2 years ago

Help please!!! Best answer will get brainliest!!!

r-ruslan [8.4K]

Answer is b for this question

3 0

2 years ago

120 books increased by 55%

Novay_Z [31]

To find 55% of 120 books, multiply 120 x .55
Then add that answer to the original 120.

120 + 55% = 186

6 0

2 years ago

Find x, y, and z 3 7 Z

FrozenT [24]

Step-by-step explanation:

If x=3, y=7 when x+y=z

z=3+7

z=10

7 0

2 years ago

I dont understand how to simplify an expression with exponents

Mashutka [201]

Answer:

3^4

Step-by-step explanation:

Simplifying an expression with expression with exponents:

If they are dividing, we keep the base and subtract the exponents. For example:

$\frac{a^x}{a^y}=a^{x-y}$

In this question:

$\frac{3^2}{3^{-2}}=3^{2-(-2)}=3^{2+2}=3^4$

8 0

7 months ago