30, Rex has 30 socks. Just double it, not that hard
Answer:
m=-3
Step-by-step explanation:
Since the lines are parallel to each other, their gradients are equal.
∴ gradient of green line = gradient of red line
∴ m = -3
Answer:
first comment
Step-by-step explanation:
Answer:
36.875
Step-by-step explanation:
Answer:
$24
Step-by-step explanation:
calculate 20% of $30 and subtract the discount from the cost price
20% =
= 0.2, hence
discount = 0.2 × $30 = $6
buying price = $30 - $6 = $24