25 percent
25 plus 20 is 45
60 minus 45 is 15
15 divided by 60 is .25
.25 times 100 is 25
25%
Answer:
= 
Step-by-step explanation:
since the triangles are similar then the ratios of corresponding sides are in proportion , that is
= 
Notice that 50 minutes is twice the half-life.
After 25 minutes, half of the starting amount remains, so that 88g decays to 44g.
After another 25 minutes (a total of 50 minutes), the 44g will decay to 22g.
Answer: $11.06
Step-by-step explanation: 3.7*2.99 = 11.063
Hopefully this helps, if its wrong lmk
2 and 1/4 miles is how far Mary walks around the track. This is because she walks for 15 minutes before Jerry gets there, which is 0.75 miles at 3mph. Then Jerry goes for 2 miles, which is half an hour. Half an hour is double 15 minutes, so it's double 0.75 miles. So 0.75 plus 1.5 = 2.25 Mark me brainliest :3