On his last four tests, Danilo scored 55%, 78%, 84%, and 93%. What score should he get on the next test so that his average on a
1 answer:
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Answer:
see below
Step-by-step explanation:
Add 4 to find the solution:
z ≤ 7
The value 7 is included in the solution set, so there will be a solid dot at that point. Numbers less than 7 are also included in the solution set, so the number line will be shaded to the left of that solid dot.
