Caleb bought groceries and paid $1.60 in sales tax. the sales tax rate is 2.5%. what was the price of caleb’s groceries, before before tax?

$ 64

Step-by-step explanation:

Given:

Caleb paid in sales tax = $1.60

Rate of sales tax = 2.5%

Question asked:

What was the price of Caleb’s groceries, before tax = ?

Solution :

Let  price of Caleb’s groceries, before before tax =

2.5% of price of groceries = $1.60

Multiplying both side by 100

Dividing both side by 2.5

Therefore, the price of Caleb’s groceries, before tax = $ 64

1gm = 1000mg so 0.1gm = 1000mg

first, convert the weight to kg

160lb * 1kg/2.2lb = 72.7kg

next, the dose

72.7kg * 100mg/kg = 7270mg