Match the following items. 1. (-14) + 81 = 81 + (-14) commutative property of addition
2. (24 + 15) = · 24 + · 15 multiplicative inverse
3. 13/17 x 17/13= 1 associative property of addition
4. -72 + 0 = -72 additive identity
5. 101 + (29 + 417) = (101 + 29) + 417 distributive property

If you would like to know how many dolls did Bob and Carol break today, you can calculate this using the following steps:

On average, they break: 12% of 175 = 12/100 * 175 = 21 dolls.
Today: 2/3 as many dolls as usual = 2/3 * 21 = 14 dolls

Result: Bob and Carol broke 14 dolls today.