Answer:

Step-by-step explanation:
From the question we are told that:
Data

Generally the equation for Point estimate
is mathematically given by




Answer:
85.714285 reapeating
Step-by-step explanation:
Answer:
<em>x = 3 and y = 0</em>
Step-by-step explanation:
3y+x=3
-2y+5x=15
Isolate y in 3y + x = 3 :

Substitute
in -2y + 5x = 15 :

Simplify the equation :

Isolate x in
:
Proving x = 3
Isolate y in
:
Proving y = 0
Your solved system of equations are x being 3, and y being 0.
Answer: Five cats ate 1 and a quarter of cat food.
Step-by-step explanation
Given:-
Cat food ate by one cat = 1/4 cup
Cat food ate by five cats =
=1 and 1/4 cup.
Therefore cat food ate by five cats = 1 and a quarter of cup.[ here a quarter =1/4]
Answer:
3 + 4 + 5 = 12
180÷12 = 15
for 3 it will be 3×15=45
for 4 it will be 4×15 =60
for 5 it will be 5×15 =75