If joan read 75 pages in 4 hours how long will it take her to read 250 pages?

This question belongs to unitary method .

Now the number of hours in which Joan reads 75 pages in = 4 hours.

So,,

Joan will read 1 page in = hours

And Joan will read 250 pages in= hours.

Hence Joan will read 250 pages in 13.33 hours.

answer

a,b, and d

explanation

a reflection angle is more than

but less than;

an angle that measures

is a reflex angle.(true)

an angle that measures less than

is acute.(true)

provided we are considering angles greater or equal to zero.

an acute angle lies in the range.

an obtuse angle is less than 180° but more than 90°

an angle that measures 300° is obtuse (false)

an angle that measures 65° is an acute angle.(true)