Hello please help thanks
...
Answers: 2
Mathematics, 21.06.2019 13:30
Ametalworker has a metal alloy that is 30? % copper and another alloy that is 55? % copper. how many kilograms of each alloy should the metalworker combine to create 90 kg of a 50? % copper? alloy?
Answers: 3
Mathematics, 21.06.2019 18:30
Tod does not have any cookies. david gives jeff 8 cookies. then he splits half of the cookies he has left with tod. david let’s c represent the number of cookies that he starts with. he finds the number of cookies that tod has is 1/2 the difference of c and 8. write an expression to represent the number of cookies that tod has.
Answers: 2
Mathematics, 15.12.2021 17:00
Mathematics, 15.12.2021 17:00
English, 15.12.2021 17:00
Mathematics, 15.12.2021 17:00
Mathematics, 15.12.2021 17:00
Mathematics, 15.12.2021 17:00
Mathematics, 15.12.2021 17:00
Mathematics, 15.12.2021 17:00
Mathematics, 15.12.2021 17:00
English, 15.12.2021 17:00
Mathematics, 15.12.2021 17:00
Mathematics, 15.12.2021 17:00
English, 15.12.2021 17:00
Mathematics, 15.12.2021 17:00