Amath test is worth 100 points and has 30 problems. each problem is worth either 3 points or 4 points, how many 4-point problems ate there?

13

Step-by-step explanation:

100 total points

3     4

9    8

12   12

15   16

18 20

21   24

24   28

27  32

30  36

33      40

36    44

39   48

42   52

45

48

62.5 paisa

step-by-step explanation:

4000*70 = 280000

280000-(2000*90) = 100000

4000-2400 = 1600

100000/1600 = 62.5

( give brainliest)

i think it will be zero as slope has a formula of difference between initial and final distance divided by itz time interval