You spend $2.75 in a store and receive $7.25 change from $10.00. Notice that the arrangement of the digits in the amount you spent is a rearrangement of the digits in your change. Find 4 other pairs of amounts spent and change from $10.00 that share this property.

- Thanks a lot, much appreciated!

ALittleFroggy Mar 27, 2023

#1**+1 **

I'll head you in the right direction.

Its easier if you think in cents

275+725=1000

Let a,b and c represent the 3 digits

abc+bac=1000

Now just do it as an addition puzzle and you will bet all the possible numbers this can work with.

Melody Mar 27, 2023

#2**+1 **

Here are just a few:

10 - 1.85 =8.15

10 - 2.75 =7.25

10 - 3.65 =6.35

10 - 4.55 =5.45

10 - 5.45 =4.55

10 - 6.35 =3.65

10 - 7.25 = 2.75

10 - 8.15 =1.85

10 - 9.05 =0.95

10 - 4.5455=5.4545

10 - 1.4585 =8.5415

10 - 2.4575=7.5425

10 - 3.4565 =6.5435

10 - 4.4555 =5.5445

10 - 6.4535 =3.5465

10 - 7.4525=2.5475

10 - 8.4515 =1.5485

Guest Mar 27, 2023