Answer:
(8,4)
Step-by-step explanation:
ape x
X=25 because they are congruent so 4x25=100 and 100-25=75
4. 300 Decigrams
7. 0.2 ton
10. 7920 Centigrams
Answer:
The money earned by Drea was 
The money earned by Sajini was 
Step-by-step explanation:
Let
x------> money earned by Drea
y------> money earned by Sajini
we know that
-----> equation A
----> equation B
substitute equation B in equation A

solve for y


Find the value of x
----> 
using a graphing tool
solve the system of equations
Remember that the solution of the system of equations is the intersection point both graphs
The intersection point is 
see the attached figure