Help! Multiplying mixed numbers 1 2/3 x 1 1/4
2 answers:
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<h2>○=> <u>Correct option</u> :</h2><h2>
</h2><h3>○=> <u>Steps to derive correct option </u>:</h3>
Cost of a bike Raylin wants to buy = $85
Money Raylin already has = $22
Money she needs :
Thus, money Raylin still needs = $63
Money she gets from doing one chore = 2.50
Number of chores the needs to do :
Thus, Raylin needs to do 25 chores to be able to buy the bike.
Therefore, the correct option is <em>(d) 25</em>
Break the numbers under the radical into perfect squares: . Take the perfect squares out: you have two 2's, and 2 x's, on the outside of the radical with 2 and z leftover:
. Multiply everything together to get
.