1. Realiza la siguientes sumas de números enteros usando el método de agrupar 2. –4 + 5 –3 =
3. b ) +3 –5 +7 =
4. c) –3 + 5 –8 =
5. d) +4 – 7 –8 = 8.

step-by-step explanation:

de-gf

hj=3x+20

ji=15x-64

-2/

step-by-step explanation:

well if you round, things become much more simple. round 5.95 to 6, 4.25 to 4, and 1.05 to 1. now, add 6+4+1 and that would equal 11. so the items together would equal to about $11.