. Q4.
Red and blue cubes
In a bag, there are red and blue cubes in the ratio 4:7

red: blue
4:7

I add 10 more red cubes to the bag.

Now there are red and blue cubes in the ratio 6:7

red: blue
6:7

How many blue cubes are in the bag?

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

so, converting firstly the mixed fractions to improper fractions and then "adding".

step-by-step explanation:

; fx