someone help please me with all 3 questions:) marking brainlist!!
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Answer:
Step-by-step explanation:
1.) No. of student who can play an instrument= 20÷100×1,080 =0.2×1,080 = 216
2.) Minimum rate Sheila can work in =20 problems÷ 5 mins= 4 problems/min
3.) 75%