4.) Zoe and her dad go on a hot air balloon ride over the weekend. In order to remain safe, they

4.) Zoe and her dad go on a hot air balloon ride over the weekend. In order to remain safe,

they cannot exceed an elevation of 450 feet. If they start at an elevation of 120 feet, and
rise at a rate of 15 feet per minute, how many minutes can they continue to rise?
Variable:
Inequality:
Solution:


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