The phrase "ages to learn how" is correct and usable in written English.
It can be used to express that something takes a long time to understand or master.
Example: "It took me ages to learn how to play the guitar properly."
Alternatives: "a long time to figure out" or "years to understand how".
At the beginning of this summer, photographer Jake Lewis decided that 24 would be a good age to learn how to skate.
Sports activities create space at a very young age to learn how to perform under pressure, understand your role on a team, react to shifting conditions, participate in a coaching relationship, and learn the importance of practice and preparation.
CROSS RIVER -- Ward Pound Ridge Reservation offers an orienteering course for people of all ages willing to learn how to navigate an outdoor course using a map and a compass.
Throughout the day, a steady flow of citizens of all ages came to learn how to protect their precious right to vote.
He dove into lattice gauge theory at age 83 to learn how nuclear matter becomes a soup of particles at high temperatures, then published in that field.
I encourage my friends over age 50 to learn how to use updated computer techniques, even if they need to ask a child for instructions.
Most of us hate these monkeys from an early age and try to learn how to be human from school or television, but the result is always tainted by this subtle or not so subtle retardation.
Joe was born in Hammersmith in 1972 but soon after this the family settled in Newport where Joe grew up and, aged nine, began to learn how to box.
Take 13-year-old twins Elizabeth and Rebecca McPherson, who began coding at the age of 11 to learn how to create apps that have a purpose in real-life situations.
Gelato lovers of all ages will be able to learn how artisanal gelato is made, to taste competing flavors, and to cast their votes for their favorites.
