Sophie is eating a 50-gram chocolate bar which contains 30% of coca. How many grams of coca are in the chocolate bar?

Jin donated earning from 2 songs to charity. he donated 864 altogether jins second song earned 5 times much as his first song. how much money did jins second song earn

258/300 in decimal form

What is the value of the expression when x = 5, y = 4, and z = 3?

Which statement is true of data in a line graph? It is discrete. It can only have certain values. It is given in data pairs. It is continuous.

You would like to have $4000 in four years for a special vacation following graduation by making deposits at the end of every 6 months in an annuity that pays 7% compounded semiannually.

The pH of solution A is 2.4 , while the pH of solution B is 9.4. (a) What are their hydrogen-ion concentrations? (b) How many times greater is the hydrogen-ion concentration of solution A than that of solution B?

Which equation has a variable term in the equation - 6 + 2X = 6x - 9

On may 31, the cash account of bottle's r us had a normal balance of $5,000. during may, the account was debited for a total of $12,200 and credited for a total of $11,500. what was the balance in the cash account at the beginning of may?

When ringing up a customer, a cashier needs 8 seconds to process payment as well as 1 second to scan each item being purchased. If it takes 11 seconds to ring up a customer, how many items are being purchased?

In a chemical compound there are 3 parts zinc for every 16 parts copper by mass a piece of the compound contains 320 grams of copper write and solve an equation to determine the amount of zinc in the chemical compound