Question

student had 30 problems for homework she worked out 2/3of them how many was still left​

Answer 1

Step-by-step explanation:

problen :30

solved: 2/3

(i)=×

(ii)=2/3x

×+×= 30

×+2/3×=30

2×+3×=30×3

5×=90

×=18

Answer 2

Answer:

......

problen :30

solved: 2/3

(i)=×

(ii)=2/3x

×+×= 30

×+2/3×=30

2×+3×=30×3

5×=90

×=18