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4) Tess practices her flute for at least 10 hours per week. She practices for a half of an hour each session. If Tess has
already practiced 4 hours this week, how many more sessions remain for her to meet or exceed her weekly practice
goal?
Inequality format

When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates. if you have a multiple-unit rate such as 120 students for every 3 buses, and want to find the single-unit rate, write a ratio equal to the multiple-unit rate with 1 as the second term.