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goldfiish [28.3K]
3 years ago
7

You have 5 cups of birdseed . You use 3/5 cup each day. How many days will your birdseed last

Mathematics
2 answers:
Alenkasestr [34]3 years ago
5 0
7 Days 25/5 cups of bird seed to start with and subtract 3/5 from it until you run out of bird seed
Marrrta [24]3 years ago
4 0
5 cups is equal to 25/5 cups. if we divide 25/5 by 3/5 which we should multiply by 5/3, the answer is 25/3 which you can say 8 and 1/3 days.
you can round up to 9 days
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A student charges twenty dollars per hour to type college papers. The student's average typing speed is fifty words per minute.
coldgirl [10]

Answer:

The student should charge $210 for typing the paper ⇒ answer C

Step-by-step explanation:

* Lets explain how to solve the problem

- The rate of the student's typing is 50 words per minute

- The students charges twenty dollars per hour to type the college

 papers

- There is a paper contains 31,500 words

- We want to now how much the student should charge for it

* At first lets find his rate per hour

∵ 1 hour = 60 minutes

∴ 1 minute = 1/60 hours

∵ His rate = 50 words / 1 minute

- Lets change the minute to hour

∴ His rate = 50/(1 × 1/60) = 3000 words per hour

* Lets find the time he needs to finish the paper

∵ The paper contains 31,500 words

∵ Time = The number of words ÷ his rate of typing

∵ his rate is 3000 words per hour

∴ Time = 31,500 ÷ 3000 = 10.5 hours

∴ He needs 10.5 hours to finish the paper

∵ He charges $20 per hour

∵ The time to finish the paper is 10.5 hours

∵ The price of typing the paper = the charge per hour × number

   of hours

∴ The price of typing the paper = 20 × 10.5 = 210

∴ The student should charge $210 for typing the paper

7 0
3 years ago
Read 2 more answers
The length of a rectangular field is 7 m less than 4 times the width. The perimeter is 136 m. Find the width and the length
Helga [31]

Answer:

Step-by-step explanation:

Represent the width by W.  Then, "The length of a rectangular field is 7 m less than 4 times the width" expressed symbolically is

L = 4W - 7 (dimensions in meters)

Recall that the perimeter formula in this case is P = 2L + 2W, and recognize that the perimeter value is 136 m.  After substituting 4W - 7 for L, we get:

136 m = 2(4W - 7) + 2W, or

136 = 8W - 14 + 2W, or

150 = 10W        These three equations are equivalent mathematical statements.

150 = 10W reduces to W = 15 (meters).

Part A:  the independent variable is W, the width of the field.

Part B:  The mathematical statement is 136 m = 2(4W - 7) + 2W, which after algebraic manipulation becomes 150 = 10W.

Part C:  The above equation can be solved for W:  W = 15 meters.  This is the value of the independent variable.

6 0
2 years ago
A scalene triangle has
Tom [10]

Answer:A

scalene triangle is a triangle that has three unequal sides

Step-by-step explanation:

3 0
3 years ago
A school basketball team has an expense account and a fundraising account. After t weeks, the balance of the expense account is
navik [9.2K]

im no longer a beginner

8 0
3 years ago
Mori is building a cage for his pet guinea pig. The bottom is 8 inches
Tasya [4]

area = lw

area = (8)(8)

area = 64 \:  {inches}^{2}

//

perimeter = 2(l) + 2(w)

perimeter = 2(8) + 2(8)

perimeter = 32 \: inches

7 0
3 years ago
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