Storage Company Revenue Problem

Easy Integrating Essential Skills Arithmetic

A storage company has two types of units: small and large. Each small unit costs $100 per month, while each large unit costs $150 per month.

The company has a total of 30 units rented out, earning a total of $4,200 in monthly revenue from these units. Let s represent the number of small units and l represent the number of large units.

Which of the following equations can be used to find the values of s and l?

$$s + l = 30$$ and $$100s + 150l = 4200$$

$$s + l = 30$$ and $$s + 150l = 4200$$

$$100s + 150l = 30$$ and $$s + l = 4200$$

$$s + 100l = 30$$ and $$l + 150s = 4200$$

Hint

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