Susie babysits every day for 3 hours a day at the rate of $10 per hour. She spent 3/10 of the money she earned from last week to buy a make-up set. She then spent 2/5 of her money on her skincare products. How much is left from her earnings last week, in dollars?
Susie earned $10 x 3 = $
<gadget id="calculator">10*3</gadget>
<output>30</output>
30 per day.
Last week, she earned a total of $30 x 7 = $
<gadget id="calculator">30*7</gadget>
<output>210</output>
210.
She spent $210 x 3/10 = $
<gadget id="calculator">210*3/10</gadget>
<output>63</output>
63 on make-up.
While she spent $210 x 2/5 = $
<gadget id="calculator">210*2/5</gadget>
<output>84</output>
84 on her skincare products.
Thus, she spent a total of $63 + $84 = $
<gadget id="calculator">63+84</gadget>
<output>147</output>
147 from her earnings.
Therefore, Susie is left with $210 - $147 = $
<gadget id="calculator">210-147</gadget>
<output>63</output>
63 from her earnings last week.

<result>63</result>