289,414 views
35 votes
35 votes
Bame has a bag of $1 and $2 coins

The total mase of the coins is 71.4 grams
Bame knows that
• the mass ofa$1 coin is 9 grams and
* the mass of a $2 coin is 6.6 grams
What is the value of the coins in a bag

User Bikram Thapa
by
2.9k points

2 Answers

22 votes
22 votes
Don’t even know to be honest
User Feldur
by
2.7k points
17 votes
17 votes

Answer:

$13

Explanation:

9x + 6.6y = 71.4

6.6(4) = 26.4

71.4 - 26.4 = 45

9 / 45 = 5

$2 = 4

$1 = 5

$2 * 4 = $8

$1 * 5 = $5

$8 + $5 = $13

User Levitikon
by
3.2k points