Answer:
Inches,Foot ,Yards and Miles are customary unit used here.




Step-by-step explanation:
To convert the metric units to customary units.
We have,

Note:A centimeter, or centimeter, is a unit of length equal to one hundredth of a meter. There are 2.54 centimeters in an inch.

Note:A foot is a unit of length equal to exactly 12 inches or 0.3048 meters.

Note:A yard is a unit of length equal to 3 feet or exactly 0.9144 meters.
And

Note:A mile is a unit of distance equal to 5,280 feet or exactly 1.609344 kilometers.
An Image is attached here with.
So the customary units are inches,foot,yard and miles.
Answer:
1200 ml per hour
Step-by-step explanation:
To compute what rate is 300 ml over 15 mins as a rate of ml per hour, we do a rule of 3, using a variable x as that amount of ml we don't know yet. We should have everything in the same units, so instead of writing 1 hour we write 60 minutes:

Now we solve for x:



And so, now that we know the value of x, the rate we wanted to find is

Which is just 1200 ml per hour.
Answer: 42.9%
Step-by-step explanation:
The percentage increase of the fat content will be calculated as:
= Fat increase / Previous fat content × 100
= (30 - 21) / 21 × 100.
= 9/21 × 100
= 42.9%
This could be wrong because I'm going into the fifth grade but wouldn't it just be (7,-3)?
Answer:
61 cm for each book shelf.
Step-by-step explanation:
First it gives you the width of the boxes so you add them together
132 + 108 + 94 = 334
so 334 cm has already been used out of 456 cm.
Next you will 456 - 334 = 122 cm left over
if they are building 2 book cases you with take what cm's you have left and divide it by 2
122 / 2 = 61
So that means each book case will be 61 cm's wide