Answer:
B
Step-by-step explanation:
5 - X - X = -1
5 - 2x = -1
-2x = -1 - 5
-2x = -6
X = 3.
Answer:
164m (to 3 s.f.)
Step-by-step explanation:
Please see the attached picture for the full solution.
Answer:
x=+/- root 5..................
A) 25x+15y=650
25x+15(40)=650
Or it could be 25x=650 and 15y=650
B) No because she makes $15 for every necklace which she only has 40 necklaces 15x40=600