1. How many liters of water must be added to 5 liters of a 30% acid solution to obtain a 20% acid solution?
2. What property is illustrated by (x + 5) + 7 = 7 + (x + 5)
2007-06-05 10:36:10 · 5 answers · asked by Jaclyn W 1 in Science & Mathematics ➔ Mathematics
2. property is commutative since the numbers are switching places
2007-06-05 10:41:18 · answer #1 · answered by jkicker 3 · 0⤊ 0⤋
2
2007-06-05 10:44:13 · answer #2 · answered by Anonymous · 0⤊ 0⤋
1. About .5 liter
2. This is the distributive property. The order of the digits does not affect the result.
2007-06-05 10:48:44 · answer #3 · answered by fangtaiyang 7 · 0⤊ 0⤋
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2016-11-26 02:26:10 · answer #4 · answered by kirtsey 4 · 0⤊ 0⤋
2.) distributive
2007-06-05 13:26:22 · answer #5 · answered by Anonymous · 0⤊ 0⤋