Answer:
a) Josh likely made the negative and positive multiplication error.
b) -20a-8+12b
= -4(5a+2-3b)
Step-by-step explanation:
To check if you are correct, you can always simplify it again:
-4(5a+2-3b)
=-20a-8+12b
Remember:
Negative times negative equals to positive, negative times positive equals to negative!
I hope this is helpful! :)
Answer:
<em>A unit rate is something over a unit of something else.
</em>
<u>Such as:</u> (50 miles) / hour
If you have (150 miles) / 3 hours
This is not a unit rate, therefore you have to divide the top and bottom by 3 to get the unit rate
(150/3 miles) / (3/3 hours)
(50 miles) / hour
Hope this helps :)
Answer:
12 inches is the maximum length for each cloth because 60,48 and 72 are all multiples of 12.
you will have 5 pieces of blue cloth, 4 pieces of gold cloth and 6 pieces of white cloth.
The miller needs 1-3/4 kg (or 1.75 kg) for two loaves.
Therefore the amount of flour needed for 1 loaf is
1.75/2 = 0.875 kg per loaf.
For 8 loaves, the amount of flour needed is
8*0.875 = 7 kg
Answer: 7 kg of flour is needed for 8 loaves.