Answer:
She estiamted the amount.
No she is not correct, she is incorrect. The correct answer would be that they would pay $38.40 for the item.
Step-by-step explanation:
Answer:
the number of the x is 5 and the number of the Y is 10
Step-by-step explanation:
school
Answer:
x is a variable to fill in something that is unknown. its like a question mark
Step-by-step explanation:
12%=(3+10%*x)/(20+x)
x=30
add 30 pounds of the second alloy
They left $6.72 for a tip.
42 x 0.16 = 6.72
