Simplify the expression 6h+(−7.7d)−18+5d−3.2h.
1 answer:
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Problem 1: Joann can add 3 books or less.
The package weighs 9.5 ounces.
You can represent this in an inequality, where Joann wants the package to weigh less than or equal to 32 ounces:
, where B = the number of books she adds.
You can then simplify this equation:
Joann can add 3 books or less.
Problem 2: Kierra can get less than 12 questions wrong.
Kierra needs more than an 82 to make her goal.
You can represent this in an inequality, where Kierra can only get a certain amount of questions wrong:
, where Q = the questions Kierra gets wrong.
You can then simplify this equation:
Kierra can get 12 questions wrong to get an 82, but needs LESS than 12 wrong to get above an 82.
Problem 3: Hunter must walk 11.7 miles per day or more to finish.
Hunter is hiking 52 miles over 4 days, and wants to make sure they can finish the hike after walking 28.6 in 2 days.
You can represent this in an inequality, where Hunter wants to walk the remainder of the hike in 2 days:
, where M = the number of miles Hunter walks per day.
You can then simplify this equation:
Hunter must walk 11.7 miles or more to finish the trail.