Answer:
-3
Step-by-step explanation:
divide 7 on both sides -21/7 = -3
w=-3
Answer:
Apples = 24
Pears = 40
Step-by-step explanation:
Let u be the unit of fruit in the basket,
number of apples: 
number of pears: 
now to find u, we equate the two equations.

Now simplify.



Now we can find the original number of apples and pears by substituting u.
so original number of apples = 
and original number of pears = 
Answer:
326.6
Step-by-step explanation:
Answer:
12 5/8 tons were delivered by the third truck
Step-by-step explanation:
25 = 6 4/8 + 5 7/8 + x
25 = 12 3/8 + x
- 12 3/8
12 5/8 = x