12 is the 15% of 80
80 x 0.15 = 12
Answer:
Step-by-step explanation:
1). Replace one equation with a multiple of itself.
2x + 7y = 3 ⇔ 4(2x) + 4(7y) = 4(3)
2). Yes, systems are equivalent.
Step-by-step explanation:
d maybe byeee jziziznssusuisbzs
Answer:
C
Step-by-step explanation:
42+58=100
Answer:
$240
Step-by-step explanation:
20 = $160;
10 = $80
* 3 = 30 =$240
