3 years ago

Stella is doing her math worksheets. It takes her 1 hour 20 minutes to complete one worksheet with 12 questions.

Mathematics

1 answer:

Dmitry_Shevchenko [17]3 years ago

7 0

that would be four hours.

12x3=36

1 hour 20 minutes x3= 4 hours

You might be interested in

A restaurant uses 150 grams of ham on each sub sandwich that it sells. If the restaurant sells 50 sub sandwiches, how much ham w

Morgarella [4.7K]

If the restaurant uses 150 grams and then sells 50 sub sandwiches

The ham needed is 50 x 150 = 7500 gram = 7.5 kg

8 0

1 year ago

How do I get the answer for 1 1/2 x 3 x 1 1/9

Mekhanik [1.2K]

$\boxed{1 \frac{1}{2}\times 3 \times 1 \frac{1}{9}=5}$

<h2>Explanation:</h2>

in this problem we have the following expression:

$1 \frac{1}{2}\times 3 \times 1 \frac{1}{9}$

So here:

$1 \frac{1}{2} \ and \ 1 \frac{1}{9} \ are \ written \ as \ mixed \ fractions$

Let's convert them as improper fractions:

$1 \frac{1}{2}=1+\frac{1}{2}=\frac{1\times 2+1}{2}=\frac{3}{2} \\ \\ 1 \frac{1}{9}=1+\frac{1}{9}=\frac{1\times9 +1}{9}=\frac{10}{9}$

Rewriting our expression:

$\frac{3}{2}\times 3 \times \frac{10}{9}=\frac{3\times 3 \times 10}{2\times 9}=\frac{90}{18}=5$

<h2>Learn more:</h2>

Simplify: brainly.com/question/10644722

#LearnWithBrainly

3 0

3 years ago

Can 18/33 be simplified

oksian1 [2.3K]

Yes because both 18 and 33 are mulyiples of 3

18/33 = 6 / 11

8 0

3 years ago

Read 2 more answers

Three of thiry computers are put of service whar percent of the computers are working

Schach [20]

Answer: 10%

Step-by-step explanation:

30/3 = 10

3 0

3 years ago

Please help me with this!

salantis [7]

The original area of a face would be a^2. Now that you added b to the edge, the new area of each face would be (a+b)^2. To find how much the are increased, subtract a^2 from (a+b)^2. $(a+b)^2-(a^2)= a^2+2ab+b^2-(a^2)= 2ab+b^2= b(2a+b)$ So the answer is b(2a+b)

6 0

3 years ago

Read 2 more answers