First Way:
15(90-3)
=15(10*9-3)
=15*10*9-15*3
=150*9-45
=1,350-45
=1,305
-----------------
Second Way:
15(90-3)
=15(87)
=15(80+7)
=15(10*8+7)
=15*10*8+15*7
=150*8+(10+5)*7
=1,200+70+35
=1,200+105
=1,305
Sabastian: 1.5 hrs
Sasha : 1.75 hrs
Sasha studies .25 hrs longer (15 minutes)
Answer:
512 dollars
Step-by-step explanation:
If you both are paying equal which means half of the total price, it will be 512 dollars each.
Answer:
0/-2; undefined
Step-by-step explanation:
X=4 because first u distruste and add the numbers then add 33 to both side