How many of an alloy that is 40% copper should be mixed with 600 ounces of an alloy that is 80% copper in order to get an alloy that is 70% copper ounces

On the april 3 billing date, michaelle chappell had a balance due of $ 1495.39 on her credit card. from april 3 through may 2, michaelle charged an additional $ 305.34 and made a payment of $ 800.a) find the finance charge on may 3, using the previous balance method. assume that the interest rate is 1.8 % per month.b) find the new balance on may 3.

Eric drew a scale drawing of a country park. the scale he used was 1 inch = 2.5 yards. the picnic area is 80 yards wide in real life. how wide is the picnic area in the drawing ?

2x + 1 < 5 solve the following inequality. then place the correct number in the box provided.