3 years ago

Leticia simplified an expression. Her work is shown below.

Mathematics

2 answers:

katen-ka-za [31]3 years ago

6 0

Step 2, she didn't multiply 8 by 0.75.

Hope this helps :)

Tema [17]3 years ago

3 0

To prove this, let's take the correct steps:

$4.5\div 1/4+2 1/2-.75\times 8 \\ \\ Step \ 1: 18+2 \ 1/2-0.75\times 8 \\ \\ Step \ 2:18+2.5-6 \\ \\ Step\ 3:18-3.5 \\ \\Step \ 4:14.5$

As you can see, Leticia makes the first mistake in Step 2, that is,<em> she didn't multiply 8 by 0.75.</em>

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