12. Each gram
of a mandarin orange has 0.26 mg of vitamin C and
0.13
of vitamin A. Each
gram of a tomato has 0.13 mg of vitamin C
and 0.42 mg of vitamin A. How many grams of mandarin oranges and
tomatoes have 13 mg of vitamin C and 20.7 mg of vitamin A?
mg

How many desks and whats the price?

Use pythagorean’s theorem and find the missing side lengths of the two smaller triangles and add them together
13^2 - 12^2 = 5
15^2 - 12^2 = 9
5+9 = 14
14 is the length of each side of the square
14^2 + 14^2 = 19.8
19.8 is the diagonal length of the inside if the square