Una ONG tiene la finalidad de mejorar las condiciones de salud de personas en estado de pobreza. Si todos los meses se incorporan 5 personas y al final del primer mes hay 125 voluntarios, ¿cuántas personas trabajaran como voluntarios en la ONG al cabo de 2 años y medio?

Step-by-step explanation:

Givens

These problem models a arithmetic sequence, where the difference is 5 and the first term is 125.

Notice that 2 and a half year are equivalent to 18 months. That means we need to find the 18th term,

A arithmetic sequence is defined as

Where , and .

Therefore, after two and a half years, there would be 210 volunteers.

i would need to see the dot plot : )

x + y = 90 5x – 10y = 90 90 – 10y = 5x 90 + 10y = 5x

step-by-step explanation:

last month maria hiked the 5-mile mountain trail a number of times and she hiked the 10-mile canal trail several times. let x represent the number of times she hiked the 5-mile trail, and let y represent the number of times she hiked the 10-mile trail. if she hiked a total of 90 miles, which equation can be used to find the number of times maria hiked each trail? x + y = 90 5x – 10y = 90 90 – 10y = 5x 90 + 10y = 5x