99.69/100=.9969
.9969*20=19.938
Ramon would receive ~ $19.94
Since she had $35.48 on her card.
Amount spent in buying coffee = $70 - $35.48 = $34.52
Cost of coffee = $8.63 per pound
No of pounds = Amount spent / cost per pound
= 34.52 / 8.63 Use your calculator.
= 4
Because this shape has 2 right angles, we can confirm that it has one set of parallel sides and is a trapezoid. Therefore, use the formula for area of a trapezoid, .5(b1+b2)(h)
.5(1+6)(12)
.5(7)(12)
42 units^2
First plane: 496x
<span>Second plane: 558( x - 1/2) </span>
<span>Equation: 496x = 558( x - 1/2) </span>
<span>Solving x = 9/2 , or x = 4.5 hours.
Hope this helps.</span>
