How do you define a variable and write an expression for each phrase: the sum of one-half of a number and three fourths of the number?
Writing the Expression
"one-half of a number" means we need to multiply the number by
"three fourths of a number" means we have to multiply the number by
"the sum of " something "and" something-else means that we have to add the two thing together
Note that the multiplication symbol (