Question

Explain these questions please.

Answer 1

14)

total amount quadra gets= £120

she spends 1/4,

so 1/4 * £120= £30

hence she saves 120-30= £90.

15)

x=7

x^2-5= 7^2-5

=49-5=44

16)

1kg=£1.20

500 gm=?

1kg=1000gms

so, 500 gms=1/2 kg

so 500 gms= 1/2* 1.20

=£0.6