How to solve it:
•1. multiply 7 x 1= 7
•2. multiply 7 x 4k= 28k
so the answer is: 7+28k
i hope i have been helpful :)
Step-by-step explanation:
it is 12 because 12 - 7 is 5 the number 4 is the number multiplied by 3
2 1/2
4 can only go into 10 twice and you are left with 2/4 which can be simplified to 1/2