lostwoutu lostwoutu

03-04-2015
Mathematics

contestada

Dalia has just enough money to buy either 6 pears and 20 oranges or 12 oranges and 11 pears. A pear costs $ 0.80. How much does an Orange cost ?

Respuesta :

collinse collinse

03-04-2015

$6(.80) * 20x =12x* 11(.80)
4.80* 20x = 12x*8.80
-12x -12x
$4.80 * 8x = 8.80
-4.80 -4.80
8x=4
/8 /8
x=$.50

Proof;
6(.80) + 20(.50) = $14.80
12(.50) + 11(.80) = $14.80

Answer Link

Otras preguntas

In the diagram, how many pairs of vertical angles are shown?

14. What are vaccines for influenza made from? antibodies to the virus weakened viruses parts or products of a virus dead, whole viruses ells

What is development

Please help!!!!!!!!!!!!!

If 20% of a = b, then b% of 20 is same as?

Passing through (-2,1 ) and perpendicular to 4x + 7y + 3 = 0.

Find the range of the data sources: 83,77,88,93,97,79,94,80,97,81

a dress usually sells for $3,570. there is a seasonal sale and the dress has been reduced by $610. what is the percent of the discount rounded to the nearest te

When are paralytics most likely to be used as an adjunct to general anesthesia? A) to ease a patient's disconfort during the recovery period B) To achieve longe

Two consecutive positive integers have aproduct of 6. What are the integer?