chachi2003 chachi2003

18-05-2016
Mathematics

contestada

Simplify the expression.

2/3 × [15 × 5 + (-24)] + (-18)

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Petroniusz Petroniusz

18-05-2016

2/3 x [ 15 x 5 + ( -24 )] + ( -18 ) = 2/3 * [ 15 * 5 - 24 ] - 18 =

= 2/3 * [ 45 - 24 ] - 18 = 2/3 * 21 - 18 = 2/3 * 21/1 - 18 = 2/1 * 7/1 - 18 =

= 14 - 18 = -4

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