Let s = shirts
let t = ties
2s + t = 42
s + 2t = 39
s = 15
t = 12
one shirt equals $15
Answer:
Solve it yourself
Step-by-step explanation:
Answer:
752 cm^3
Step-by-step explanation:
Find the volume with: base x length x height
37.6 x 20 = 752
Well there’s 180° in one triangle. a right angle is 90°. 2x+3x+90=180. 5x=90 divide by five, x=18°
5 because increased by means to add 2+3
and quotient means the answer to a division problem 10/2 so ur answer is 5