Answer:
Yes
Step-by-step explanation:
1 is 4.50
4.50*2=9
<em>4.50+4.50</em>
<em>(4+4) + (0.50+0.50)</em>
4.50*4=18.00
<em>4.50+4.50+4.50+4.50</em>
<em>(4+4+4+4) + (0.50+0.50+0.50+0.50)</em>
4.50*7= 31.50
<em>4.50+4.50+4.50+4.50+4.50+4.50+4.50 0.50</em>
<em>(4+4+4+4+4+4+4) + (0.50+0.50+0.50+0.50+0.50+0.50+0.50)</em>
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Sorry if I confused you more when I broke it down. I just remembered the easiest way I learned