1. In a class test containing 25 questions, 4 marks are awarded for every correct answer
and (-1) mark deducted for every incorrect answer. Jessica gets 12 correct and 10
incorrect answers. What is her score?
2. In a chemistry lab, the room temperature is required to be lowered from 80°C at the
rate of 4°C every hour. What will be the room temperature after 8 hours?
Answers
Answered by
1
Answer:
1. 38 score jessica
2 48°C after 8 hour
Step-by-step explanation:
25 questions in exam
correct answer scored=4. 12×4=48
incorrect answer scored= -1 10×(-1)=-10
total scored 48+(-10)=38
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