Answer:
-1.428571429y
Step-by-step explanation:
add -10y to each side
Answer:
27 Chickens
Step-by-step explanation:
<em>Represent the chicken with A and the cows with B</em>
Given
A has 2 legs and B has 4; So:
Required
Determine A and B
Make B the subject of formula in the first equation
Substitute 30 - A for B in the second equation
Open the bracket
Collect Like Terms
Divide through by -2
<em>Hence, the farmer has 27 chickens</em>
Answer:
(5.4 mile/hour) x (5,280 feet/mile) x ( 1 hour / 60 minute)
= ( 5.4 x 5,280 / 60) feet/minute
= 475.2 feet/minute
Step-by-step explanation:
1 1/3 4 times like a chocolate bar
Answer:
60 g
Step-by-step explanation:
Use the density formula, D = m/v, where m is the mass and v is volume
Plug in the volume and density, then solve for the mass:
D = m/v
3 = m/20
60 = m
So, the mass is 60 g