Ask question

Ask question

All categories

vampirchik [111]

2 years ago

13

A zoo has 3 mammals for every 5 reptiles. If the zoo has 72 mammals, how many reptiles does it have? [Type your answer as a numb

er.]

2 answers:

Lyrx [107]2 years ago

7 0

Answer:120

Step-by-step explanation:

arlik [135]2 years ago

3 0

R/72=5/3 multiply both sides by 72

r=360/3

r=120

You might be interested in

Solve for x. <br> 2/3(x - 7) = -2

son4ous [18]

2/3x -14/3 = -2 -foiled

2/3x = -6/3 +14/3 -common denominator

2/3x = 8/3

x = 8/3 * 3/2

x = 24/6

x= 4

4 0

3 years ago

Read 2 more answers

If x=9 and y=−3, evaluate the following expression:20−5y+2x

pentagon [3]

Answer:

53

Step-by-step explanation:

20-5y+2x

20-5(-3)+2(9)

20--15+18

cancel out the negative signs

20+15+18

=53

4 0

2 years ago

Read 2 more answers

The sum of two numbers is 98. their difference is 22. write a system of equations that describes this situation. solve by elimin

larisa [96]

Y+x=98
y-x=22

I'm going to use elimination.

y+x=98
y-x=22
-----------
2y+0x=120 SIMPLIFY 2y=120 SIMPLIFY y=60.

Substitute that into either equation and you get y=60 and x=38

Have a nice day! :)

6 0

2 years ago

Ellie borrows money at a year simple rate of 6 1/2% after 4 years ellie owes 39 interest

kupik [55]

Answer: Ellie borrowed $150.

Step-by-step explanation:

I = PRT

39 = P x 0.065 x 4

39 = P x 0.26

Divide both sides by 0.26

150 = P

6 0

1 year ago

15-0 = 0-15. True or False. Justify your statement.

faltersainse [42]

Answer:

False

Step-by-step explanation:

15-0=0

0-15=-15

3 0

2 years ago

Read 2 more answers