Sure what do u need help with?
If H = 4, we simply plug 4 into the position of h in the expression.
48 + 25 * 4
48 + 100
148
The customer pays $148
Answer: b. 1/2.
Step-by-step explanation: 3/7 in decimal form is 0.42, which is close to 1/2 (0.5) than to 0.
Make variables for each
L = library books
P = telephone books
T = text books
so.... L+P = 2T
now we have to fill in numbers
