Where the blue scribble is!
3/30 (I think) they have a 1/10 of picking the youngest, so that times three
X is less than or equal 18. I hope it helps
Answer:
12 hours
Step-by-step explanation:
If we assume that the units of D are kg, then we can put the given number into the equation and solve.
21 = h +9
12 = h . . . . . subtract 9
Eli worked 12 hours to prepare 21 kg of dough.