Answer:
20
Step-by-step explanation:
If no chips are bought, then:
0.5x + 0.75(0) = 10
0.5x = 10
x = 20
a.
20/2 = 10
0, 10, 20, 30, 40, 50
b.
32.4/4 = 8.1
0, 8.1, 16.2, 24.3, 32.4, 40.5
c.
8.8/4 = 2.2
0, 2.2, 4.4, 6.6, 8.8, 11
d.
10/3 = 3.3
0, 3.3, 6.7, 10, 13.3, 16.7
see explanation
Given
- ( )²
The negative is outside the bracket and is not squared, that is
= - ×
= - = -
= =
It is a 50% chance that both cookies are sugar cookies.