Answer:
20 units
Step-by-step explanation:
the perimeter = 7+4+4+5 = 20 units
The coefficient of this expression is 5, a coefficient is just the number before a variable.
Answer:
1 toast costs $0.30 and 1 egg cost $0.60
Step-by-step explanation:
Let price of 1 egg be
and price of 1 toast be 
<u>"$1.50 for 2 eggs and one piece of toast":</u>
We can write 
<u>"$.90 for one egg and one piece of toast":</u>
We can write 
Now, we can solve the first equation for t and substitute that into 2nd equation and solve for e:

Now using the value of e (0.6) and putting it back in the first equation, we will get t:

Hence, 1 toast costs $0.30 and 1 egg cost $0.60
Answer:
3
Step-by-step explanation:
It will be 5x3=15+23=38 so 38 pounds the puppy weigh