#1
x=price of citrons
y=price of fragrant
7x+10y=88
10x+7y=82
70x+100y=880
-
70x+49y=574
51y=306
y=6
x=4
Question #1
The price of 7 citrons and 10 fragrant wood apples is 88 units. The price of 10 citrons and 7 fragrant wood apples is 82 units. Find the price of a citron and the price of a wood apple.
I used 17x=170??????
Question #2
$6300 is invested, part of it at 12% and part of it at 9%. For a certain year, the total yield is $660.00. How much was invested at each rate?
3 answers
Problem: $6300 is invested, part of it at 12% and part of it at 9%. For a certain year, the total yield is $660.00. How much was invested at each year?
The price of 55 citrons and 77 fragrant wood apples is 7373 units. The price of 77 citrons and 55 fragrant wood apples is 5959 units. Find the price of a citron and the price of a wood apple