A mathematics tests consists of 10 questions. Five marks are scored for each correct answer and two marks are deducted for each incorrect answer. The student attends all 10 questions and scored 29 points, how many answers are correct?

5

Step-by-step explanation:

He got 5 questions by 5×5 +3

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.