Answer:
2
Step-by-step explanation:
Answer:
the answer is -2/7 i hope this helps n srry if it dont help
Step-by-step explanation:
Answer:
100% profit of 1500
Step-by-step explanation:
One the first calculator David earns 25% profit:
25% + 1500 = 1,875
He gets a 25% on the second calculator:
1500 - 25% = 1,125
In total he receives 1125 + 1875 = 3000
Therefore he has 100% profit