Log in to add a comment

Log in to add a comment

Solution:

Let the pencil be X , pen as Y and Cardboard as Z.

X=5

Y=2X

Y=2(5)

Y=10

Z=Xsquared

Z=5Squared

Z=25

ThenX+Y+Z = N

5+10+25=N

15+25=N

40=N

.

100-40 = change

60=change

Answer:

The pen is Php. 10.00 the cardboard is Php 25.00

Then shes change is Php 60.00 if she has 100.00

Hooo ..