Lesson 68: Algebra I #2.9a, Write an equation from a word problem

What is the definition of a coefficient as presented in the lesson?

According to the lesson, what are the three essential steps in the problem-solving strategy?

Bob made $35,000 this year, which is $3,000 more than he made last year ($L$). Which equation directly isolates $L$ to find last year’s earnings?

If Bob earned $35,000 this year, which is $3,000 more than last year ($L$), how much did Bob earn last year?

An iPhone uses 2 kWh of power per year, and a laptop uses 36 times more power than the iPhone. Letting $L$ represent the laptop’s power usage, which equation directly represents this scenario?

Why is the direct equation $2 * 36 = L$ preferred over the equivalent equation $L / 36 = 2$ when solving for laptop power usage?

Emma sells custom earrings for $15 per pair, and it costs her $7.25 to make each pair. Which equation correct represents her total profit ($P$) for selling 50 pairs?

What is Emma’s total profit ($P$) if she sells 50 pairs of earrings that cost $7.25 to make and are sold for $15 per pair?

What practical visual technique was highlighted in the lesson to make writing equations from word problems easier?