Answer:
3p = $2.10
p = $0.70
Step-by-step explanation:
Cost of a pencil: p
Cost of a pen: p × 2 = 2p
If the cost of 1 pen and 1 pencil is $2.10,
2p + 1p = $2.10
B
16
8+8
-1.
The difference of -3 and a number is -2. Find the number:
-3 - x = -2
x = -2 + (-3)
x = -1
-1 is the answer.
