Answer:
The answer to your question is Dan worked 7 hours
Explanation:
Data
Money made $242 / 11 h
Money made $154 / ?
Process 1
1.- Determine the money made in one hour using proportions and cross multiplication
$242------------------------ 11 h
x ------------------------ 1 h
x = (1 x 242)/11
x = $22
2.- Use proportions to determine the hours he work to made $154
$22 -------------------- 1 h
$154 -------------------- x
x = (154 x 1) / 22
x = 154/22
x = 7 hours