2. The cost of Matt and Natalie's dinner was $23.25. They want to leave a 18% tip. What is the amount of the tip they are going to leave?

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of