Dvds are for $24 each,felipe write the expression 4 times 24 to find the costin dollars of buying 4 dvds, how can i rewrite felipe expression using the distributive property

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2015-11-19 15:31:17

The distributive property states that: a(b+c)=ab+bc. or more generally: a(b+c+d)=ab+av+ad. This is a very useful tool to perform multiplication. For example, if we want to multiply 7 by 234, we can proceed as follows: 7*234=7(200+30+4)=7*200+7*30+7*4=1400+210+28=1610+28=1638 back to our problem, 4 * 24 = 4(20+4)=4*20+4*4=80+16=96 ($) So, instead of multiplying 4 by 24, we multiplied 4 by 20 and 4, which is easier, and then added these together. Answer: 4 * 24 = 4(20+4) [=4*20+4*4=80+16=96 ($)]

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