Two squares plus two triangles are equal to 36, two squares plus five triangles are equal to 60. How many squares and triangles are there
From the question, we can get: 2 □ + 2 △ = 36 ①
2□+5△=60②
② - 1: 3 △ = 24, so △ = 8
Substituting △ = 8 into (1) gives: □ = 10
So □ = 10, △ = 8