If 2f + g= 10 and f - h= 1 what is the value of f + g + h ?

(a) 5
(b) 7
(c) 9
(d) 11

Why is x= 4 a solution to the proportion 14/x 56/1 6

You have 37 coins that are nickels, dimes, and pennies. the total value of the coins is $1.55. there are twice as many pennies as dimes. find the number of each type of coin in the bank.

Which statement about 6x2 + 7x – 10 is true?