Suha is going to buy 150 envelopes.
Here is some information about the cost of envelopes in two shops.
Pack of 25 envelopes for £3.49
Pack of 10 envelopes for £2.10
Buy 2 packs get 1 pack ...
A geometry teacher asked Saul to define “obtuse triangle.” Saul said that an obtuse triangle is a triangle with one interior angle measure greater than 90° and two interior angle measures less than 90°. Is Saul's definition valid?