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lawyer [7]
3 years ago
10

Sam can solve 30 multiplication problems in 2 mins. How many can he solve in 20 mins.

Mathematics
2 answers:
crimeas [40]3 years ago
8 0
To find the answer using unit rates, you do 30 divided by 2 which is 15/1. Then do 15*20 which is 300. So he can do 300 problems in 20 minutes.
Citrus2011 [14]3 years ago
6 0
To get to 20 minutes from 2 minutes you multiply by 10, do the same to the 30 problems to get 300. The answer is 300 problems in 20 minutes.
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Rectangle B is a scale drawing of rectangle A using a scale factor of 150%. The area of rectangle A is 32 square units. What is
drek231 [11]

Answer:

The answer is 72 square units

Step-by-step explanation:

If rectangle A is scaled by 150% that means the length and breadth of rectangle A were both increased by 1.5(150%) to yield rectangle B.

So, the area of rectangle B is 1.5L x 1.5B = 2.25LB

But, LB = area of rectangle A which is = 32

So, area of rectangle B

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= 72square units.

5 0
3 years ago
Read 2 more answers
Can someone help me i dont understand​
atroni [7]

Answer:

8900000 * 10^-3

Step-by-step explanation:

(8.9*10^-3)/(10^-6)

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5 0
3 years ago
What is one intothirds -4/5
Sphinxa [80]

Answer: 13/15


Step-by-step explanation:

1  2/3 - 4/5

Use LCD or least common denominator:

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7 0
3 years ago
Help please thank you
LuckyWell [14K]

Answer:

hmm i think its

1/2(x + y)

Step-by-step explanation:

because well... this would be eaiser for me if it said "of the" because "of the" is mostly used for multiply, but since it just said "the..." i can only guess. I think this may be the answer tho?

7 0
2 years ago
Read 2 more answers
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Dimas [21]
The answer would be C (17/6)
This is because;
6 goes into 17 twice leaving a reminder of 5.
8 0
3 years ago
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