Answer:
Restaurant A = about $2.63 Restaurant B = about $4.50
Explanation:
Restaurant A
$10.50 × 75%
1050 75
___ × ___
100 100
Cancel out the common factor of 25
1050 3
___ × ___
100 4
Multiply
3150
___
400
7.875 discount
$10.50 - 7.875 = 2.625 ~ $2.63
Restaurant B
$8.99 /2 = $4.495
p% = p
-----
100
899 50
____ × ____
100 100
Reduce the fraction
899 1
___ × ____
100 2
Multiply
800
____
200
4.495
8.99 - 4.495 = 4.495 ~ $4.50