Answer:
21
Step-by-step explanation:
24.50 / 3 = 49/6
10 because first brackets is 0 second brackets is 10 15*0 is 0 0+10 is 10
She can arrange them in the following;
1 row of 36
2 rows of 18 (doesnt count because it says other and this has already been mentioned)
3 rows of 12
4 rows of 9 (doesnt count because it says other and this has already been mentioned)
6 rows of 6
Yes: example-because if u are running u are using energy
Answer:
a + 20 = 7*12 (multiplied both sides by 12)
a + 20 = 84 (calculated 7*12)
a = 84 - 20 (subtracted 20 on both sides)
a = 64 (calculated 84-20)