Answer:
A fact family ??? idk xD
Step-by-step explanation:
200 euros 300 euros
--------------- = -----------------------------
270 dollars x dollars
using cross products
200 * x = 270 * 300
divide each side by 200
x = 270 * 300/200
x =405 dollars
He sold 12 phones and 20 accessories
X × 10 = 120. Y × 2 = 40
12 × 10 = 120. 20 × 2 = 40
120 + 40 = $160