20 • 3=60, 25 • 4=100. 60+100=160. 160-10=150. Josie makes $150.
A 243x^5-1
B x^2-1
C <span><span>−<span>x5</span></span>+3</span><span>x<span>5
D 12x^7-1</span></span>
-1/1024)/(1/8
-1/1024)x 8
-8/1024
-1/128
Answer:
14:6
21:9
28:12
Step-by-step explanation:
Given the initial ratio of 7:3, you can find equivalent ratios by multiplying the two numbers by the same factor:
7 x 2 = 14
3 x 2 = 6
14:6
7 x 3 = 21
3 x 3 = 9
21:9
7 x 4 = 28
3 x 4 = 12
28:12