Wolfgang and heinrich worked as electricians at $14 and $12 per hour respectively. one month wolfgang worked 10 hours more than heinrich. if their total income for the month was $3520, how many hours did each work during the month?

Let us say that:

x = hours worked by Wolfgang

y = hours worked by Heinrich

So that:

x = y + 10

14 x + 12 y = 3520

By combining the two equations:

14 (y + 10) + 12 y = 3520

14 y + 140 + 12 y = 3520

26 y = 3380

y = 130 hours

x = y + 10 = 140 hours

So Wolfgang worked 140 hours while Heinrich worked 130 hours.

dwe

step-by-step explanation:

ewd

total amount of money that he should pay if he has not used his duty free exemption is $98

step-by-step explanation:

given a united states citizen returning to the states declares the following items at the customs office: 3 shirts at $8.50 each 2 dresses at $27.50 each 1 pair of gold cuff links at $17.50 per pair. we have to find how much he pay

cost of 3 shirts if one cost at $8.50 is

cost of 2 dresses if one cost at $27.50 is  

cost of 1 pair of gold cuff at $17.50

so, total amount of money that he should pay if he has not used his duty free exemption is   $25.5+$55+$17.50=$98