Answer:
Sophie has to work 18 hours to buy the sneakers.
Step-by-step explanation:
Since Sophie earns $ 12.80 per hour babysitting, and she has to repay a loan to her parents in the amount of $ 100, and after repaying the loan, she wants to have at least enough money to buy herself a pair of sneakers costing $ 130.40, for write an inequality modeling the number of hours, X, Sophie needs to work to have enough money to buy the sneakers, the following mathematical reasoning must be carried out:
12.80X = 100 + 130.40
12.80X = 230.4
X = 230.4 / 12.8
X = 18
So Sophie has to work 18 hours to buy the sneakers.
Answer: B
Step-by-step explanation: Divide the number of pizzas (3) by the fraction each friend will get (¾ or 0.75), which gives you the answer 4.
3÷0.75=4
D. negative 67 because laplace’s expansion
5.6 is 5.63 rounded to the nearest tenth
Owed 5920 in taxes
0.12*16000+0.2*20000=5920
