Salma received a $ 70 gift card for a coffee store. She used it in buying some coffee that cost $ 8.28 per pound. After buying the coffee, she had $ 28.60 left on her card. How many pounds of coffee did she buy? Pounds

5 pounds.

Step-by-step explanation:

You can start by subtracting 28.60 from 70 which equals 41.4.

Now you just need to divide 41.4 by 8.28 which equals 5.

So, Salma bought 5 pounds of coffee.

Hope this helps! <3

2.2°  

step-by-step explanation:

let θ = the angle of elevation.

tanθ =77/2020

tanθ = 0.038 12

      θ = tan⁻¹0.038 12

      θ = 2.2°