20+35+40+55+60+55+80=345
15
55+(-20) equals 35
20 + x = 55x = 55 -20x= 35
It is: 75-55+35 = 55
-55
20 c = 68 f 35 c = 95 f 55 c = 131 f
32 + 40 + 55 + 33 = 160
20, 25, 30, 35, 40, 45, 50, 55.
The GCF of 10, 20, 35, and 55 is 5.
5 hours and 55 minutes.
The GCF of 20 and 35 is 5. (4 x 5) + (7 x 5) = 11 x 5 = 55
72