a = negative 16 and b = negative 4
Answer:
She'll have to pay $46.75
Step-by-step explanation:
42.50 divided by 10% is 425 which equals $4.25. 42.50 + 4.25 = 46.75
42.50 + 10% = 46.75. So therefore you can check your answer twice and it will be the same answer.
Answer:
welp ok
Step-by-step explanation:
Answer:
r = 85
Step-by-step explanation:
<h3>→ -6 ( r - 98 ) = 78</h3><h3>→ r - 98 = -13</h3><h3>→ r = -13 + 98</h3><h3>→ r = 85</h3>
conclusion:
so the value of r is 85
Answer:
Amount of money Elsa spent= amount of money given by grandmother,x - amount of money saved.
Hence for the first four weeks, amount spent= 4(x-10) as she saved 10 per week for 4 weeks.
For the next eight weeks, amount spent= 8(x-15) as she saved 15 per week for 8 weeks.
Thus the answer would be the first option.