Adrum and burgle corps rents instruments to members. each burgle rents for $10 per month and each drums rents for $5 per month. find the monthly income i if members rent 7 burgled and 9 drums. then find the monthly income if members rent 9 burgled and 7 drums.

Case I

$115

Case II

$125

Step-by-step explanation:

Bugles rent for $10 per month

Drums rent for $5 per month

Case I

7 bugles and 9 drums

7 *  bugle cost per month + 9 *  drum cost per month

7 * 10 + 9* 5

70 + 45

$115

Case II

9 bugles and 7 drums

9 *  bugle cost per month + 7 *  drum cost per month

9 * 10 + 7* 5

90 + 35

$125

b

2

−

b

b

3

+

7

b

2

+

14

b

+

6

%

−

3

b

3

+

7

b

2

+

14

b

+

6

%

step-by-step explanation: