Answer:
oof its been like 7 months and no one never answered
Step-by-step explanation:
so sad ;-;
Number of matchsticks required is 2. Rule which matchstick pattern is 2 x n.
Write a system of equations and solve.
x + y = 10
5x + 10y = 90
Multiply and combine equations
-5x - 5y = -50
5x + 10y = 90
------------------
5y = 40
y = 8
x = 2
There are 2 nickels and 8 dimes in the jar. Hope this helps! :)
