Twenty, which is 4 more than half, of the students in bryan’s homeroom have tickets to attend the school’s musical. choose yes or no to tell whether each of the following equations can be used to find the number of students in bryan’s homeroom.
4 – 1/2 m = 20
1/2 m + 4 = 20
1/2 m – 4 = 20
4 = 20 – 1/2 m

answer is 144

step-by-step explanation:

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.