MATHEMATICS MIDDLE SCHOOL

Marci hiked 15 miles from Park Headquarters to Blue Lake in 5 hours. What was her average speed?

Answers

Answer 1
Answer:

Answer:

3 miles per hour.

Step-by-step explanation:

15 divided by 5 is 3

each hour he would have covered 3 miles of distance.
Answer 2
Answer:

Answer:

3 miles per hour

Step-by-step explanation:

The formula for average speed is: R = (D_(total) )/(T_(total) ) R being rate, D being distance, T being time. We substitute the values to get R = (15)/(5) Simplified 3. Her average speed was 3 miles per hour. Hope this helps!

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You want to purchase a blender for $47.99. The sales tax rate is 8.25%. How much money do you need for your purchase, including sales tax?$

Answers

You want to purchase a blender for $47.99. The sales tax rate is 8.25%. How much money do you need for your purchase, including sales tax?

51.949175  = 51.95 

I'am thinking of two numbers. The difference of the two numbers is 36. Their sum is 286. What are the two numbers?

Answers

x-first\ number\ny-second\ number\n\n \left \{ {{x+y=286} \atop {x-y=36}} \right. \n+----\n\n2x=322\ \ \ \ |:2\nx=161\n\n161+y=286\ny=286-161\ny=125\n\nSearched\ numbers\ are\ 161\ and\ 125
One of them is 250 because if u subtract 286-36 u will get 250

Product of 5 and y added to 3

Answers

Answer:

5y + 3

Step-by-step explanation:

Product of 5 and y means multiplication pf 5 and y

Thus, Product of 5 and y = 5 × y = 5y

Now, 5y is added to 3 means Sum of both 5y and 3

Thus, 5y is added to 3 = 5y + 3

Hence, Product of 5 and y added to 3 = 5y + 3
product = multiplication
5 × y or 5y 
added to 3
so the answer is 5y + 3

A company shipped 48 boxes of canned dog food each box contains 24 cans how many cans of food did the company ship in all

Answers

To do this you have to multiply 48 by 24.  This will give you 1,152.  They shipped 1,152 cans of food in all.
You would have to multiply 48 * 24 and the answer is 1152

In a random sample of students at a middle school, 24 wanted to change the mascot, and 30 wanted to keep the current mascot. Which is the best prediction for how many of the total of 1,140 students want to keep the current mascot?

(a) 507 students.         (b) 600 students.            (c) 633 students             (d) 950 students

Answers

  D is the answer because when you subtrcat it gets closest to 950

Jerry wonders "how many $10 bills are equal to a $1,000 bill?

Answers

100 bills, Jerry.
Jerry: " BUT WHY? "
Excellent question, Jerry, you forward thinker.
Well....
10x1=10
10x10=100
See how the product has the same number of zeros as the actual problem?
Look:
10x100 has 3 zeros.
The product is 1,000, which ALSO has 3 zeros.
So, to save yourself the trouble, just count the zeros.
Jerry: " WOW I GET IT NOW!"
AND SO SHOULD YOU AFTER READING THIS! :)
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