Answer:
37
Step-by-step explanation:
if lucy was half lisa's age at 6, that means she was 3. so there's a 3 year difference between the two sisters, so now if Lisa is 40, that makes Lucy 37.
23 10/100 is how you would write it
Answer:
Pablo decides to save his money in a piggy bank and each day he saves $ 100 more than the day before. How much would he save on day "20" if he had $ 100 on the first day? Express the function and solve
Step-by-step explanation:
Answer: x = 6.56
Step-by-step explanation: -0.4x - 0.5 + x = 3.63
-0.4x^2 - 0.5 = 3.63
-0.4x^2 = 4.13
0.63x = 4.13
x = 6.56
Answer:
13
Step-by-step explanation:
